Book Description
The book you hold in your hands is revolutionary, a groundbreaking exploration of the science of intention. It is also the first book to invite you, the reader, to take an active part in its original research. Drawing on the findings of leading scientists on human consciousness from around the world, The Intention Experiment demonstrates that thought is a thing that affects other things. Thought generates its own palpable energy that you can use to improve your life, to help others around you, and to change the world.
In The Intention Experiment, internationally bestselling author Lynne McTaggart, an award-winning science journalist and leading figure in the human consciousness studies community, presents a gripping scientific detective story and takes you on a mind-blowing journey to the farthest reaches of consciousness. She profiles the colorful pioneers in intention science and works with a team of renowned scientists from around the world, including physicist Fritz-Albert Popp of the International Institute of Biophysics and Dr. Gary Schwartz, professor of psychology, medicine, and neurology at the University of Arizona, to determine the effects of focused group intention on scientifically quantifiable targets -- animal, plant, and human.
The Intention Experiment builds on the discoveries of McTaggart's first book, international bestseller The Field: The Quest for the Secret Force of the Universe, which documented discoveries that point to the existence of a quantum energy field. The Field created a picture of an interconnected universe and a scientific explanation for many of the most profound human mysteries, from alternative medicine and spiritual healing to extrasensory perception and the collective unconscious. The Intention Experiment shows you myriad ways that all this information can be incorporated into your life.
After narrating the exciting developments in the science of intention, McTaggart offers a practical program to get in touch with your own thoughts, to increase the activity and strength of your intentions, and to begin achieving real change in your life. After you've begun to realize the amazing potential of focused intention, and the times when it is most powerful, McTaggart invites you to participate in an unprecedented experiment: Using The Intention Experiment website to coordinate your involvement and track results, you and other participants around the world will focus your power of intention on specific targets, giving you the opportunity to become a part of scientific history.
The Intention Experiment redefines what a book does. It is the first "living" book in three dimensions. The book's text and website are inextricably linked, forming the hub of an entirely self-funded research program, the ultimate aim of which is philanthropic. An original piece of scientific investigation that involves the reader in its quest, The Intention Experiment explores human thought and intention as a tangible energy -- an inexhaustible but simple resource with an awesome potential to focus our lives, heal our illnesses, clean up our communities, and improve the planet.
The Intention Experiment also forces you to rethink what it is to be human. As it proves, we're connected to everyone and everything, and that discovery demands that we pay better attention to our thoughts, intentions, and actions. Here's how you can.
Customer Reviews:
FASCINATING..........2007-10-02
"The Intention Experiment" by Lynn Taggart provides fascinating insights on intentional living. This book shows you how thought can affect your life. In essence thought is an energy that has the potential to transform your own life as well as help others.
Focused group intention is also shown to be a highly powerful tool in affecting animals, plants and humans.
Also, the reader is invited to become involved in a rearch experiment about the power of human thought.
My most recent favorite New Age books that highlight self-empowerment and life transformation are:
The Secret
Nexus: A Neo Novel
Wow!.......2007-09-26
This book has a wonderful compilation of scientific studies about intention! It is very easy to read and understand. I was amazed at the
scientific research that has been completed in this area, and even more
surprised that so few of us are aware of this research.
Enjoy.
Fantastic.......2007-09-13
You may believe the reports in the book or you might just be a blind defender of the "offcial" science, but in both cases this is a book to read.
I will suggest it to all my friends.
Advancing the body of knowledge.......2007-09-10
This is a wonderful book, bringing forth highly complex knowledge in a digestible form. It helps if the reader is analytical by nature. Thank you to Lynne Taggart for her writing style and depth of coverage of the topic. I am learning from this book how and why prayer works.
Could You Imagine?.......2007-09-10
Picture this... A World with Peace, a World with Love, A World where EVERYONE has enough. If I am to understand what Lynne McTaggart is saying here, then I am to understand that a simple change in Our Collective thoughts 'could' change Our World. Peace, Love, Harmony. Groovy.
Book Description
Science has recently begun to prove what ancient myth and religion have always espoused: There may be such a thing as a life force.
Lynne McTaggart, indefatigable investigative journalist, reveals a radical new biological paradigm -- that on our most fundamental level, the human mind and body are not distinct and separate from their environment but a packet of pulsating power constantly interacting with this vast energy sea.
The Field is a highly readable scientific detective story that offers a stunning picture of an interconnected universe and a new scientific theory that makes sense of supernatural phenomena. Original, well researched, and well documented by distinguished sources, The Field is a book of hope and inspiration for today's world.
Customer Reviews:
its all in the Field.......2007-09-30
I am on my second reading. The information is important enough for me to be able to re-late it to others, especially in my progressive Christian church group. Although written in 2001...science is still kicking against some of this wisdom of it's own. Bucky Fuller said we're always 50 years behind the leading edge.
Excellent coverage of research bringing science to Consciousness.......2007-09-29
I thoroughly enjoyed this book. It is heartening to see that science is finally "discovering" what has been known (but not well publicized) since the dawn of humanity--that we are all part of an infinite, unified energy field which I and many others choose to call God or Consciousness or Omniverse.
Ramifications of the Zero-Point Field are infinite as is the field itself. It is the source of all present and future energy and the ultimate solution to the apparent energy shortage on earth. It is the primordial, timeless energy source from which all physical matter is created. Well done, Lynne!
Forever One: Letters from God--You Are Perfect Love, My Ego, My Higher Power and I, The Science of Mind: Original 1926 Text 1998 Edition See more books along these lines at www.hiconections.com
WOW.......2007-09-22
I had this pegged as a new-agey book that presented pseudo-science as science and fact. Not so. This book presents experiments done, from the 70s on, that will blow your mind and challenge your ideas of reality. McTaggart presents each experiment as an engaging story and overall, she feels authoritative. There are a few moments where I questioned the deductions that were made, but for the most part, I was surprised at how rigorous these experiments were - some at prestigious universities and some even backed by the CIA. McTaggart does little synthesis of her own, mainly just relying on the experiments & scientists to speak for themselves.
Sadly enough, the reason why none of us have heard about this stuff isn't because it isn't scientifically valid, but, according to McTaggart, it's because the scientific community is extremely conservative, and many of the experiments shake the foundations of what modern science has been based on.
I cannot recommend this book enough. The writing style is engaging and thorough. It really has changed my view of the world and opened my mind to a realm that I was always highly suspicious about, but interested in nonetheless. This book makes me want to explore reality and the power of my mind!
Simply superb.......2007-09-16
Mind blowing stuff ! I bought mine about a year ago and another one for a pal. Probably the best in a long list of books of this type
A scientific compilation of our true identity.......2007-09-09
I have followed this line of thinking for many years and have always believed this, but Lynne McTaggart brings it all together in one book, "The Field". This was fascinating reading and difficult to put down for any period of time. It has a wonderful ending. The Field is must reading for those with thirst for self knowledge.
Average customer rating:
- Perfect.
- Wow, does this suck . . . get a different book!
- This book is a very very very bad book which you never buy.
- Don't make the same fault I did!
- It is sad that we don't have a better book out there...
|
An Introduction to Quantum Field Theory (Frontiers in Physics)
Michael E. Peskin , and
Dan V. Schroeder
Manufacturer: HarperCollins Publishers
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Quantum Field Theory in a Nutshell
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ASIN: 0201503972 |
Customer Reviews:
Perfect........2007-08-10
I received the book as it should be: knew. And it cames before the estimated time.
Wow, does this suck . . . get a different book!.......2007-06-13
Ok--I just need to help lower the overall rating for this book. I think the people who love it are professors and students who already are familiar with QFT--because it glosses over everything, does pertinent examples, etc. But that's just it, it GLOSSES over everything. Note that nearly all the higher reviews say things like: "oh, you wouldn't want to start with this book." or "Everyone knows that you're going to need more books than this one to understand it . . ." I couldn't even figure out how to create a Feynmann diagram from this book, let alone what one MEANT. FYI, my favorite QFT book so far is Weinberg's Quantum Theory of Fields.
This book is a very very very bad book which you never buy........2007-01-20
Absolutely no logic.
Perfectly nonclear.
No subject.
Mathematically poor.(very poor.)
Nonneccessary words.
No depth.
Not for self-study.
Just arrangement.
No physical insight.
No process.
No thinking.
This is indeed not a book.
This is a stuff for a vanity.
I wonder whether Peskin and Schroeder are genuine physicists.
Don't make the same fault I did!.......2006-12-16
Hi there!
The important information first: I'm a graduate student, mainly interested in theoretical physics. At the moment, I'm trying to get a deeper understanding of QFT.
Peskin's QFT book is NOT the one you should buy if you want to UNDERSTAND renormalization.
I learned the basics of QFT (\phi^4 and QED up to a first contact with renormalization - "trivial" subtraction of infinities) in a lecture and I finally felt like: "What does renormalization mean? What is it good for? Is there a deeper truth in it?" Well, the answer to the last question is definitely yes. It's about the Beta function. This function tells you how the coupling constants of a QFT behave at different momenta. E.g., we can learn from it why perturbation theory works for QED at low energies and for QCD at high energies (I think, this is amazing).
What I just said I learned from Huang's book. Peskin "deals" with it in chapters 10 to 12. In the middle of chapter 12 I finally said to myself: "Hey, don't feel stupid. This book is just completely incomprehensible here."
In my opinion, if you want to see behind renormalization (and therefore behind any QFT(!!)), don't buy Peskin's book. Any other book is better regarding this issue.
It is sad that we don't have a better book out there..........2006-05-28
The main problem of this book: what exactly is it supposed to be?
If it is an introduction, then the opening chapters are written at a level too sophisticated that an average first-time student can't handle.
If it aims to be a "bible" of the subject, then the later chapters are far too technical, loaded with only Feynman diagram calculations for standard model. Not being a phenomenologist, I personally have very little interest in all the technical detail, and apparently several other reviewers share my view here.
Now let me gives some examples to support my claim.
First, C, P and T symmetries are introduced very early on (right after Dirac spinor), and in a very formal way. Yes, they logically belong there, but in an "introduction" of the subject you don't throw out an isolated topic like this which you don't make use of in the following few hundred pages.
The part on cannonical quantization is written at a very fast pace. A complex scalar field is probably the first model you can construct with charged particles. And guess what kind of treatment it receives in this book? Not a single word in the main text. The problem 2 of that chapter essentially asks you to work out the content of this model with few hints given. If you have troble working it out, which is not uncommon for a first-timer, then you won't see the logic behind the decomposition of a complex Dirac field either. This is done in the following chapter, with no explaination.
Like the charged scalar field example, some important pieces of knowledge are hidden only in the exercises. So if you treat these high-power opening chapters as your bible-type reference, you will often end up in the frustrating situation that the book tells you to work out by yourself what you are seeking in the first place.
Now get to the later parts of the book. As I mentioned above, the second half of the book is almost conceptually too simple, overloaded with technical details.
This downfall begins around the renormalization group. On the back of this book, this Prof. Micheal Dine is qouted: "it is the only field theory text with a thoroughly modern, Wilsonian treatment of renormalization". The connection between the Wilsonian idea and dimensional regularization/renormalization scale is shaky at best. You read the text, and are left puzzled at the magic: how does a cut-off scale become some (much lower) arbitrary momentum scale? No explaination. The Wilsonian theory is completely isolated and have little connection with the rest of the renormalization section.
Furthermore, the book does not do a very good job on Lie algebra and non-abilien Lie groups. I mean, come on, if this is an "introduction" type of book, make it more readable. If this is a "bible" type of book, make it more comprehensive.
Having voiced all my bad opinions, I have to admit that the book has its merit. Bottom line is, this is a book written by phenomenologists for phenomenologists. If you view it from such an angle, it is not too badly written after all, and does cover most of the important topics a phnomenologist would want to know. But you may want to start from a more accessible text such as Ryder.
If you are a theorist, but not a phenomenologist, then, well, let's say the ability of getting through the first part perfectly is the minimum requirement for your research.
If you are an experimentalist, don't bother.
Average customer rating:
- Great book for learning quantum field theory
- Perhaps the best book on QFT
- QFT ; This is the way to teach to it
- Excellent textbook
- Classroom Tested, Student Approved
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Quantum Field Theory
Mark Srednicki
Manufacturer: Cambridge University Press
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Quantum Field Theory
ASIN: 0521864496 |
Book Description
Quantum field theory is the basic mathematical framework that is used to describe elementary particles. This textbook provides a complete and essential introduction to the subject. Assuming only an undergraduate knowledge of quantum mechanics and special relativity, this book is ideal for graduate students beginning the study of elementary particles. The step-by-step presentation begins with basic concepts illustrated by simple examples, and proceeds through historically important results to thorough treatments of modern topics such as the renormalization group, spinor-helicity methods for quark and gluon scattering, magnetic monopoles, instantons, supersymmetry, and the unification of forces. The book is written in a modular format, with each chapter as self-contained as possible, and with the necessary prerequisite material clearly identified. It is based on a year-long course given by the author and contains extensive problems, with password protected solutions available to lecturers at www.cambridge.org/9780521864497.
Customer Reviews:
Great book for learning quantum field theory.......2007-09-10
This book is a great resource for learning quantum field theory. People that have already taken QFT courses may also enjoy reading it. The emphasis is on learning the concepts of QFT and the techniques for doing calculations. A very nice feature of this book is that these concepts are often developed using simple examples. While many of these do not describe realistic field theories, they improve the leaning process by isolating specific ideas to be learned and removing many complicating details. The problems at the end of the chapters are instructive and doable. This is a matter of taste, but I liked the fact that most of the chapters were fairly short.
The book starts by considering scalar fields. This material includes: relativistic quantum mechanics, why relativistic quantum mechanics is inconsistent as a single particle theory and how this leads to QFT, Feynman diagrams, cross sections/decay rates, renormalization and spontaneous symmetry breaking. I think covering these topics without the complications of spin makes it much easier to learn them. It also helps that many of the calculations are done in great detail.
Things get more complicated in the next two parts as spin is added. First spin one-half theories are covered and then spin one is covered. As in the first part, the quality of the presentation is excellent. All the topics one would expect are covered such as anomalies, chiral symmetry breaking, Wilson loops and BRST symmetry.
There is also a fair amount of more advanced material. This includes the strong CP problem and various aspects of the standard model. Some of the other more advanced topics are supersymmetry, grand unified field theories, lattice theory and matrix models. I would have liked these sections to been bigger.
In short, this is a great introduction geared towards teaching and it also has a fair amount of coverage of some advanced topics.
Perhaps the best book on QFT.......2007-08-04
This book clarifies a lot of mysteries on QFT for me. The concept is explained so clearly. It may not give you a lot of experimental results. But the methodology of QFT is explained much more clearly than other QFT books in the market. Basically, every one of the chapter in this book is written very well. The calculations involved in different topics are displayed line by line without jumping steps. Reading it is just like attending a tutorial. But you may need some experience on QFT before you can appreciate this book.
If you want to buy one book on QFT, buy this.
QFT ; This is the way to teach to it.......2007-04-13
Aimed towards graduate students, the text is presented with pedagogical brilliance. This is the way one teaches QFT to students who intend to actually use it in their research endeavors. I highly recommend this textbook to any student of high energy particle physics.
DF - Northeastern Univ. Boston MA.
Excellent textbook.......2007-02-17
Srednicki's book provides a brilliantly organized exposition of the fundamental concepts and calculational tools of quantum field theory. The book is self-contained, and divided into many short chapters which makes it convenient to read. The writing style is very pedagogical, essentially avoiding the "black magic" and mystery that seem to be a necessary ingredient in many other QFT textbooks. The material is presented in a logical way, and the author makes sure to address all the necessary details. I won't be surprised if this new book soon becomes the leading book on the subject.
Classroom Tested, Student Approved.......2007-02-07
I have been taught field theory from this text (actually, while it was in the process of being written), and then been a teaching assistant for the course in which it was used a second time.
In my experience, this is the best single text to use to learn field theory that one can buy today. It is completely modern in its presentation, and covers all of the fundamentals of field theory from scalars to spinors to gauge theory, and even has a significant amount of coverage of the standard model, specifically the Electro-weak theory. Additionally, the book is broken up into very short chapters of 4-10 pages each, and clearly cross referenced so you know what chapters are prerequisite knowledge.
There are a very large number of exercises which range in difficulty from very straightforward to very difficult. The problems manage to be educational and help deepen the understanding of what's presented in the text while still being a challenge.
This is an extremely well-rounded text. It is easily readable, and provides good intuition about the theory, but also goes far more in depth then the other "easier-to-read" field theory texts out there. It also generally sticks to the most commonly used notation and in situations where new notation is needed, the ones that are used are clear and well thought out. A solid graduate quantum mechanics background is necessary to get the most out of this test, but much of the more advanced math is covered as the book needs it (or reviewed in the exercises).
One down side to being so thorough on the theoretical framework is the lack of any reference to experiment or historical development of field theory. If your goal is to learn field theory only from the experimental side, there are better books out there. But for a solid grounding in the fundamentals of field theory there is no better place to start then this.
Average customer rating:
- Extremely solid for self-teaching
- A good introduction to the physics behind renormalization
|
Quantum Field Theory: From Operators to Path Integrals
Kerson Huang
Manufacturer: Wiley-Interscience
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ASIN: 0471141208 |
Book Description
A unique approach to quantum field theory, with emphasis on the principles of renormalization Quantum field theory is frequently approached from the perspective of particle physics. This book adopts a more general point of view and includes applications of condensed matter physics. Written by a highly respected writer and researcher, it first develops traditional concepts, including Feynman graphs, before moving on to key topics such as functional integrals, statistical mechanics, and Wilson's renormalization group. The connection between the latter and conventional perturbative renormalization is explained.
Quantum Field Theory is an exceptional textbook for graduate students familiar with advanced quantum mechanics as well as physicists with an interest in theoretical physics. It features:
* Coverage of quantum electrodynamics with practical calculations and a discussion of perturbative renormalization
* A discussion of the Feynman path integrals and a host of current subjects, including the physical approach to renormalization, spontaneous symmetry breaking and superfluidity, and topological excitations
* Nineteen self-contained chapters with exercises, supplemented with graphs and charts
Customer Reviews:
Extremely solid for self-teaching.......2006-04-06
This book is an ideal introduction to quantum field theory for a graduate student. Assuming a strong background in basic quantum mechanics and classical mechanics, Huang develops quantum field in a methodical fashion. In contrast to other popular quantum field theory books (such as Peskin) Huang doesn't leave out important details, especially with regard to the mathematics behind spinor fields. Plus the book is very readable.
A good introduction to the physics behind renormalization.......1999-05-16
A very good introduction to QFT. It starts with a rather classical account of QED, then develops renormalization and applies it mainly to statistical physics. So the text does not cover non-abelian gauge theories, and is not sufficient for readers who learn QFT for particle physics applications. But the exposition of renormalization is really excellent and complete. I liked the exceptional clarity and lucidity of most calculations, and the excellent set of problems. Solving them all extends the book's scope far beyond the table of contents.
Book Description
Field Quantization is a thorough introduction to the physical ideas and techniques of this subject, starting from an elementary level. The initial chapters deal with the quantum mechanics of systems having many degrees of freedom and with classical Lagrangian field theory. Subsequently, both the traditional method of canonical quantization and the modern approach using path integrals are studied. The material is presented in considerable detail and accompanied by a large number of worked examples and exercises.
Customer Reviews:
A QFT text jewel !!!!.......2007-08-01
Thorough study of this book is a guaranteed ticket to QFT expertise !
The following excellent books are in addition highly recommended:
1. Mandl and Shaw's - Great intro to QFT
2. The Greiner Books - Exhaustively Comprehensive and Detailed
3. Dr. Zee's - QFT in a Nutshell - Most enthusiastic and didactic
4. Dr. Kaku's - vey clear and insightful. Additional bonus :Intro to Relativistic Strings - I particularly enjoy the pot shot he takes at the co-discoverer (who's name I dare not mention out loud) of the Beta Function (strong ? no, weak? no, gravitational? maybe) "tachyon" interaction formula.
5. Prof Weinberg's Magnificent Three Volume Set - The QFT Bible !
a very thorough introduction.......2005-09-21
There are so many different QFT text books, but this one is of special value:(1) It is a really thorough work, e.g., symmetry principles, path integral, QED, even scalar qed are discussed in detail here! (2) The details are all included, so you will not find something like "it easily follows from..". (3)It introduces everything in a good order. For example, it treats non-relativistic Schrodinger field first before going to the relativistic theories. It has shown that non-relativistic fields permit both boson and fermion rules. From this you can easily see how quantization rules are related to relativity. I am sure you can learn some solid QFT from this book. Of course, I recommend this book along with the standard reference by Peskin-Schroeder, and the lively book by Zee.
Great Introduction.......2001-07-12
This book starts with classical field theory and moves on to some simple, but very relevent examples of nonrelativistic field quantization. Greiner works through all important relativistic system of free particles before a spectactular introduction to Feynman rules via quantum electrodynamics as the primer. The book finishes with a nice introduction to path-integral quantization. This book covers mathematical detail of relativistic field theory in a simple way, making it an excellent introductory text.
Detailed guide to QFT.......2000-03-27
The book's focus is on carefully explaining what quantum field theory is. Starting from classical field theories, ie. the harmonic chain, Greiner goes on to discuss 2nd quantization for spin 0, 1/2, and spin 1 fields. The results are then applied to derive the perturbation expansion for interacting fields. The last sections on quantization with path integrals is also well written, and contains more details than eg. Sakurai. Throughout, many (sometimes tedious, but) instructive examples are presented that lots of other authors just assume to be understood already.
Book Description
An esteemed researcher and acclaimed popular author takes up the challenge of providing a clear, relatively brief, and fully up-to-date introduction to one of the most vital but notoriously difficult subjects in theoretical physics. A quantum field theory text for the twenty-first century, this book makes the essential tool of modern theoretical physics available to any student who has completed a course on quantum mechanics and is eager to go on.
Quantum field theory was invented to deal simultaneously with special relativity and quantum mechanics, the two greatest discoveries of early twentieth-century physics, but it has become increasingly important to many areas of physics. These days, physicists turn to quantum field theory to describe a multitude of phenomena.
Stressing critical ideas and insights, Zee uses numerous examples to lead students to a true conceptual understanding of quantum field theory--what it means and what it can do. He covers an unusually diverse range of topics, including various contemporary developments, while guiding readers through thoughtfully designed problems. In contrast to previous texts, Zee incorporates gravity from the outset and discusses the innovative use of quantum field theory in modern condensed matter theory.
Without a solid understanding of quantum field theory, no student can claim to have mastered contemporary theoretical physics. Offering a remarkably accessible conceptual introduction, this text will be widely welcomed and used.
Customer Reviews:
Quantum field theory in a nutshell.......2007-08-27
This book is really valuable since is capable to start from the basic concepts of quantum field theory and going up to the frontier of today's physics with some insights on string theory.
Overall the style is really charming, with an unassuming language but at the same time capable to highlight deep concepts.
An excellent book on the long last!.......2007-08-13
I belong to the enthusiastic laymans having enough curiosity and insistence to get acquainted with the results of modern sciences but lacking the mastery on advanced math and physics I had no chance so far to understand the basic roots of quantum field theory. I tried with several textbooks in my mother language and english too, but after reading the first pages I had to close them with a sigh: it is hopeless for me to get through the technical details and as a result I really could not see the forest for the trees. But at long last I got this book of A.Zee! I got through only the first section of it so far, but I now feel confidence to finish it regardless of the coming difficulties I'll have to meet underway. And what is more I have succeded in not only understanding the basic concepts but even solving some exercises attached to the text which Mr. Zee strongly proposed to do. It is worth to accept Mr. Zee's instructions, evidently he knows what he is doing. In my country we used to say: there are two types of experts. The ones who understand their field well, are doing it, the others, who do not, are teaching it. Mr. Zee belongs to a valuable third type: beeing a leading expert on his field he can teach it on an outstandig level at the same time. Many thanks to him for having written this excellent book.
A.Makay (Hungary)
Indispensable for Students of QFT.......2007-08-08
This book is more fun than any other QFT book I have read. The
comparisons to Feynman's writings made by several of the reviewers
seem quite apt. I was lucky enough to be in the Princeton vicinity when
the general viewpoint presented in this book was being cooked up by
an amazing gang of physicists. (That was in the mid 70's.) I will always
remember Tony as a happy-go-lucky guy, but a very serious physicist.
He really enjoyed what he was doing, and this book clearly shows
that he still does. His enthusiasm is quite infectious. This is not a
didactic or encyclopedic tome - serious students must read Weinberg's
set The Quantum Theory of Fields Vol. I (Quantum Theory of Fields)
(and succeeding volumes) and/or some of the other books mentioned
in the Amazon reviews. But I doubt that any other book will spark your
interest like this one does. Enjoy it - you probably will so much that you
won't want to slow down enough to do the problems. That's excusable - once.
If you want the full benefit, go back to the book later and do them.
"one of the most artistic and deepest books ever written on quantum field theory".......2007-02-20
Perhaps it is one of the most artistic and deepest books ever written on
quantum field theory. Deepest not in a sense of presenting tricky methods
and technical details of calculations but what is more important, in
presenting the ideas in all their essence. In fact A. Zee concentrates
mostly on the results rather than on methods and restrics himself the
barest possible level of the mathematical details which is sufficient for
understanding the most nontrivial results of QFT. The book is written so
nicely that the chance that reader will fall asleep reading it is not
higher than those one for really good detective. The scope of the
material covered on 500 pages is amaizing. In fact, no single really
interesting topic in QFT drops from the attention of the author. There are
many extremely positive reviews on amazon.com about the the book,
with which I
fully agree and it is not my intention to repeat the content of these
reviews. Rather I would like to attract attention to several things
which are not fully reflected in these reviews. First, I would like to
stress that the language of the book is very friendly and nonformal making
the reading extremely pleasant. Second thing which really striked me is a
lot of very deep and illuminating remarks which help quite a lot in
clarifying confusions arising when one follows the traditional
presentation of QFT. Let me give several examples:
On the page 109 A. Zee writes
"Did I speak of an electron going backward in time? Did I mumble about a
sea of negative energy electrons? This metaphorical language, when used by
brilliant minds, the likes of Dirac and Feynman, was avocative and
inspirational, but unfortunately confused generations of physics students
and physisists" This remark to the point is very useful and illuminating
even today because in many universities around the world the students are
still tought the nonexisting science called "relativistic quantum
mechanics". Taking this remark thoughtfully reader can avoid confusions
induced by the "historical" presentation of the QFT, which one can still
find even in many modern textbooks.
The other remark which I like concerns the chiral anomaly. On the page
244 A. Zee writes: "Well we would be very upset if the vector current is
not conserved....We wouldn't want our fermions to disappear into thin air or
pop out of nowhere"...this would mean the real anomaly..."On the other
hand, quite frankly, just between us friends, we won't get too upset if
quantum fluctuations violates axial current conservation. Who cares if the
axial charge is not constant in time?" This remark teaches reader that he
has carefully distinguish dangerous anomalies in the nature from
"anomalies induced by our minds". The number of such illuminating
comments is great and I can not quote all of them. Therefore, I finish
with the remark from the excelent chapter on supersymmetry: "I believe
that the development of supersymmetry was very much retarded by the fact
that until early 1970s, most field theorists, having grown up with Dirac
spinors had little knowledge of Weyl spinors" To appreciate this remark
the student should througthfully go through very good and short review of
Group Thery in Appendix B and chapters on Weil and Dirac spinors.
I recommend the book by Zee to everybody who wants to get clear idea what
is the good physics about.
Good for PhD's many years after.......2006-10-22
I want to say how at the top how much I really appreciate this book--it is the best I've seen on the subject--I really mean that. If you are like me, many years past graduation from graduate school and still having a mind left looking for what's up and what's the buzz all about in postmodern physics, this book is wonderfully written and reads as if you were in the classroom listening to Dr. Zee. Here you will see why subjects like the use of the Lagrangian formulation in physics are so important that nearly all of theoretical "new" physicists use it and how Feynman path integrals provide a deeper intuitive grasp of what quantum field theory really is. It will help you understand (1) what the vacuum is really all about, (2) quantum electrodynamics, and (3) the so called standard model of particle physics--quantum chromodynamics--so that you will have more than a basic grasp of what and why quarks and gluons and all that deeper stuff is really about. Most importantly it provides a refreshing view of what and why those infinities, symmetries, successes and failures of the theory are.
Fred Alan Wolf, Ph.D.
Author of many books
Book Description
A useful scientific theory, claimed Einstein, must be explicable to any intelligent person. In Deep Down Things, experimental particle physicist Bruce Schumm has taken this dictum to heart, providing in clear, straightforward prose an elucidation of the Standard Model of particle physics -- a theory that stands as one of the crowning achievements of twentieth-century science. In this one-of-a-kind book, the work of many of the past century's most notable physicists, including Einstein, Schrodinger, Heisenberg, Dirac, Feynman, Gell-Mann, and Weinberg, is knit together in a thorough and accessible exposition of the revolutionary notions that underlie our current view of the fundamental nature of the physical world. Schumm, who has spent much of his life emmersed in the subatomic world, goes far beyond a mere presentation of the "building blocks" of matter, bringing to life the remarkable connection between the ivory tower world of the abstract mathematician and the day-to-day, life-enabling properties of the natural world. Schumm leaves us with an insight into the profound open questions of particle physics, setting the stage for understanding the progress the field is poised to make over the next decade or two.
Introducing readers to the world of particle physics, Deep Down Things opens new realms within which are many clues to unraveling the mysteries of the universe.
Customer Reviews:
Particle Physics Made Easy.......2007-03-02
This book should be a must read for anyone that tries to understand particle physics. I've been looking for something like this for a long time. The Standard Model is explained with great skill and clarity, and with minimal use of math. This is not a mathematical book, but where minimal mathematics becomes necessary (group theory), it is introduced with the assumption that the reader knows next to nothing (which was my case) and developed to the point where, combined with physics, it makes sense. Most of the math only requires logic, not computations, and all you are required to memorize are a few rules -- conventions -- that only take a couple of lines. Beautiful.
The author limits himself to what is known and generally agreed about particle physics. The limits of the theory are also very well explained, but no significant steps into the unknown are made, which I think it is a good thing for once.
If you like Brian Greene, Michio Kaku, Lisa Randall, and others like them, do them, and yourself, a favor: read "Deep Down Things". It will open new horizons in the way you see, and appreciate, their work. These more popular authors cross into the unknown with beautiful, breathtaking constructs, but none explains the basics as Bruce Schumm does.
A Review From a Non-Physicist.......2007-01-01
Two items set this lay physics book apart: clarity of writing and minimum of speculation. It covers only material amenable to experimentation. This rules out both string theory and multiple universes - each mentioned only briefly. Nor does it dwell on Einstein's theories of special or general relativity - the gravitational physics of the large. "Deep Down Things" is like an introductory text on quantum phenomenon and particle physics without the explicit math and with more explicit wordage.
Particle physics studies the smallest units of matter and how they interact with each other. This led to ever larger particle accelerators during the last 68 years of the 20th century. More than 150 exotic particles have been discovered - every one having differing combinations of properties that boggle the mind. An exotic particle that results from the collision of two protons may exist for only 10 to the minus 12 seconds before it decays into something else. Traveling at close to the speed of light, this is just enough time to leave a (highly sought after) 1 mm mark on a recorder, documenting the brief life of that particle. The Particle Data Group from Berkeley exists just to keep physicists updated on these particles.
For something so fleeting, why do we bother? Because this research is centerstage in explaining the Big Bang and all of cosmology. As by-products, we achieved huge gains in any industry you can name. Unless you live like a Mennonite or are on a boy scout camp-out, these technologies effect the way you live your daily life - ground floor activity on the internet itself came about because physicists desired a more immediate way to share research with each other.
The use of common sense was not a factor in the investigations of particle physics. Instead, knowledge was and is gained through particle accelerators, predictions from abstract mathematical models, and meticulous use of the scientific method by thousands of physicists. The author mentions frequently that the math works out, predicts something, disproves something, needs a cheat factor, etc. This made me want to see the math, but I'm at least a couple of college courses from there, so I guess I'll have to take his word for it. For non-physics, non-math majors, consider reading on despite lack of total understanding or you might bog down in details. As the point of view changes, concepts are restated and you'll get another stab at it. The author starts a sentence on page 187, "If you've understood, even vaguely..." and ends it with "it gets even better (or worse...) as we move on to other properties of elementary particles."
On page 351, he closes with congratulations to anyone who made it to the end - then inserts a joke about the Higgs field that only an "insider" (a physicist or one who read the book) would understand. This is a great book that I highly recommend for any physicist who wants to brush up on particle physics, any undergrad or grad student in physics, or any other scientist types who are persistent enough to want a better handle on this fascinating but difficult subject.
It really is "Breathtaking".......2006-11-30
This is a book about quantum mechanics, and gauge theory in particular. It's essentially non-mathematical, having just a few equations, and requires little mathematical expertise. For readers with math anxiety, or those unfamiliar with partial differential equations, the few equations in the book can be skipped without missing much, as Schumm focuses almost exclusively on providing a qualitative understanding of what's at the heart of the Standard Model of quantum mechanics.
This isn't your typical book on quantum mechanics, aimed at your typical armchair scientists. There's virtually no discussion about various speculative macroscopic aspects of QM, such as freewill. God doesn't come into the picture except as a non-personal synonym for "the universe." Schrödinger's cat isn't discussed. Neither is tunneling, time travel, teleportation, or Bell's inequality. This text is what I'd describe as a nuts-and-bolts qualitative look or introduction to the Standard model. I think it would be excellent reading for anyone contemplating a class in QM, before taking a quantitative and detailed course on the subject. Of course, I'd also recommend it for casual yet serious readers who want to know the basis for modern quantum theory.
The first half of the book lays the groundwork with a discussion of forces of nature, patterns, the building blocks of nature, and symmetry. I particularly liked Schumm's explanation of how symmetry relates to conserved quantities. I think he does an especially nice job of describing Lie groups and segueing the topic into the heart of this book, which is gauge theory.
The gauge principle says that objects within a system are subject to precise laws of interaction. It also says that the wave equation is invariant with respect to local changes in phase. The connection between these two notions (phase invariance and laws of interaction) provides a quantitative theory for causation, known as the gauge principle. [pp. 276-277] I commend Schumm for presenting the basic principles and arguments of gauge theory in a way that can be clearly understood at a qualitative level. Here's a summary of how he does it.
Start with the Schrödinger wave equation. Next, apply the condition that information cannot be instantaneously transmitted or transmitted with arbitrary speed over arbitrary distances. This is a principle that seems deeply ingrained in Einstein's relativity, that no object with non-zero mass energy can travel faster than the speed of light, and is the position taken by Yang and Mills in their 1954 paper in the Physical Review, where they argue the following:
"As usually conceived, however, this arbitrariness is subject to the following limitations: once one chooses [the phase of the wave function] at one space-time point, one is then not free to make any choices at other space-time points. It seems that this is not consistent with the localized filed concept that underlies the usual physical theories. In the present paper we wish to explore the possibility of requiring all interactions to be invariant under independent [choices of phase] at all space-time points. [p. 217-218]
Back to the Schrödinger wave equation, Schumm considers the case of an isolated electron (no potential). To make the wave function invariant with respect to local changes in phase, Schumm describes a trick used by Yang and Mills, in which they added a new term to the wave equation, a so-called "cheating" term, A(x). A(x) changes when the phase of the wave function changes, in just the right way so that the overall wave function is unaltered by local changes in the wave function's phase. This might seem like an obvious and trivial thing to do, but interestingly, when you do this you find that the cheating function, A(x), represents the quantum of the electromagnetic field - the photon. As Schumm explains:
"The inclusion of A(x) thus incorporates, within the field-theoretical description of the particle's behavior, the possibility that the particle emits or absorbs a photon, that is, the possibility that the particle emits or absorbs a quantum of the electromagnetic field."
This is a nifty trick. Start with the Schrödinger equation for an isolated particle, apply the relativity principle by insisting on invariance of local phase shifts, add a "cheating" factor to make phase invariant, and the "cheating factor" ends up being the quantum force mediator of the particle described by the Schrödinger equation. The nature of the cheating term depends on the symmetry of possible changes to the wave function. That's where Lie groups come in, and that's why it's so helpful the way Schumm lays the conceptual foundation with his chapter on Lie groups.
Mathematically, the symmetry of a quantum particle is described by the Lie group that describes possible changes to the particle's wave equation. If the group has only simple phase-change symmetry we end up with quantum electrodynamics, or the quantum theory of the electromagnetic force. For wave functions described by more complicated Lie groups (wave equations that have rotational symmetry in some internal symmetry space), we must add different cheating terms, as many as there are generators of the Lie group. This is the basic idea behind the gauge principle, which is at the heart of the Standard model of quantum mechanics. Of the four known forces of nature, three (electromagnetic, weak nuclear, and the strong nuclear interactions) are explainable from the well-established methods of gauge theory.
This was one of the best books I've read this year. It's long (just short of 360 pages) with lots of material between the covers. You'll want to read the Appendix and notes, and you'll most likely find yourself reading over parts of the book several times, digesting the meaning behind the words. In the end, I think you'll agree with the author's assessment that quantum mechanics - the study of "deep down things" really does reveal a breathtaking beauty of the natural world.
A 'big-picture' conceptual guide to the Standard Model.......2006-08-28
Fed up with useless metaphors which equate the Higgs particle with hangers-on at a party slowing a celebrity's passage? Exasperated at continual references to Lie algebras and gauge theories, which are never explained?
In Peter Woit's recent book `Not Even Wrong', he comments (p. 205) that relativistic quantum field theory is not even studied until the second or third year of graduate school. For the rest of us, there is `Deep Down Things'.
Schumm's objective is to take us on a conceptual tour of the Standard Model of quantum mechanics, without requiring a mastery of the technical apparatus. The first half of the book introduces the four fundamental forces, wave-particle duality and the wave function itself. The approach is historical and visual - plenty of Feynman diagrams - and Schumm assumes the reader is happy with complex exponentials. By chapter 5 we are deep in the eightfold way, and the classification of quarks, leptons (electrons, muons, neutrinos) and bosons (the force quanta).
Chapter 6 begins the process of diving deeper with a discussion of Lie groups and Lie Algebra, motivated by plenty of examples. A Lie group is defined via: (i) a continuous set (i.e. a real or complex manifold such as R^n or C^n) with (ii) operators which are continuous functions over the manifold. Chapter 7 introduces Noether's theorem: `To every differentiable symmetry generated by local actions, there corresponds a conserved quality' and this is linked with symmetries under transformations by the Lie group operators (such as rotations in isospin space which interchange protons and neutrons).
Introductory quantum mechanics courses talk about the physical irrelevance of the phase of the wave function when it comes to the calculation of probabilities of observables. We thus have the concept of global phase invariance. However, this is unphysical - we cannot have the universe adjusting phase by the same amount everywhere at the same time. Yang and Mills in the mid-50s proposed to force the wave function to be invariant under local changes of phase: it turns out the only way to achieve this is to add a new term of the form gA(x)psi(x) where g is a charge parameter associated with the particle, psi(x) is the wave function and A(x) is a new term which turns out to be the field potential function for the relevant force field (electromagnetic in chapter 8). The freedom of choice in choosing the function A is called a gauge freedom, hence gauge theory.
Choose a fundamental particle. Write down its wave function. Identify the spaces in which the particle participates (space-time, isospin, ...). Identify the Lie group which rotates the wave function (state vector) in each of these spaces - U(1), SU(2), SU(3). By the principle of local phase invariance, adjust the original wave function with gauge terms gA(x)psi(x) as above. From making this work mathematically, out pop the corresponding force quanta (= the number of generators of the corresponding Lie algebra above). As the chapter heading puts it: `Physics by Pure Thought'!
Chapter 9 explains how the standard model assigns a mass of zero to all force-field quanta. Any attempt to add mass destroys the local phase invariance that we just discussed. The only way to retrieve the situation is to assume the existence of a new field (the Higgs field) which somehow pervades the universe and which interacts with non-zero-mass force quanta (via the weak force) in a `screening' way which gives them mass. The Higgs field is also responsible for the masses of quarks and leptons. If this is true, there should be a Higgs particle within reach of CERN's Large Hadron Collider in 2007.
This is a really excellent book. If you dimly recall how to solve a differential equation, and are unfazed by the notion of an abelian group, then this book is accessible. By book-end you have the sense that you `get' the big picture of the standard model and its remaining conceptual weaknesses. I would say that if you were an undergraduate interested in theoretical physics and wanted a tour d'horizon, this is the one book which will give it (Penrose's `The Road To Reality' is still too difficult for this purpose).
Best popular particle/quantum physics books I have read.......2006-05-02
Bottom line: Buy it.
If you are tired of books that throw out words like "symmetry" and "gauge theory" without ever explaining (at least conceptually) what these terms mean and how these concepts relate to a deep understanding of particle physics then this is the book to buy.
The author explains the mathematical concepts quite simply and in such a way that if you can read ANY popular book on physics then you can understand how Lie Algebras and Gauge Theories help derive the eightfold way, the charges on some bosons, the probability of the Higgs field/particle, and therefore lead to the Standard Model of particle physics.
Imagine a book which covers these topics (Lie Groups, Lie Algebras and Gauge Theories) without ever seeming mathematically challenging or complex. Here it is.
My only disappointed? It doesn't cover more, because this is the best exposition -- real teaching at a world class level -- of the subjects it does cover. If Schumm ever writes another book I will buy it, sight unseen.
If you have read, or wanted to read "The Road to Reality" by Penrose (which I highly recommend if you have the determination to read it), this will make several sections of that book much easier to understand -- were all of Penrose's explanations as high quality as "Deep Down Things" there would likely never be a better book on these subjects.
For anyone considering this book, the answer is simple: buy it and enjoy reading it.
Book Description
This text offers a balanced treatment of quantum field theory, providing both formal presentation and numerous examples. It begins with the standard quantization of electrodynamics, culminating in the perturbative renormalization, and proceeds to functional methods, relativistic bound states, broken symmetries, nonabelian gauge fields, and asymptotic behavior. 157 figures. 1980 edition.
Customer Reviews:
I recommend "Quantum Field Theory" by Itzykson and Zuber .......2007-02-19
As anybody who is an expert or a student in the field knows, this is the best book available
on the subject. Dover Publication Inc.'s paperback republication of this book, which was
originally by McGraw-Hill, Inc., is an excellent idea. The Dover version has better fonts
that are clearer than the original McGraw-Hill version. On top of that, amazon.com made
it much easier for many people to order it over Internet. I will definitely recommend
students to buy this paperback version in the future.
Good book for its time.......2003-03-15
This book has been used a great deal both in classes on quantum field theory and as a reference, and, in spite of its date of publication, it could still serve as such, if supplemented with updated materials. There is a lot in this book that one could not find at the time it was published, and was a welcome relief to those who needed a textbook that was more up to date than Bjorken and Drell's classic work on quantum field theory.
Some of the highlights of the book include: 1. The "wave packet" solution of the Dirac equation and the Zitterbewegung phenomenon, which the authors use as a counterexample to the idea of treating negative energy states in the framework of a 1-particle theory. 2. The treatment of two-body relativistic corrections to study the recoil of the nucleus, this being done in the context of the Dirac equation. 3. The use of the Dirac hole theory to motivate the need for a true many-body theory to accomodate particles and antiparticles via quantized fields. 4. A fairly lengthy discussion of the Fock-Schwinger proper time method to obtain an exact expression for the Dirac propagator in a constant uniform electromagnetic field and a plane wave electromagnetic field. 5. The discussion on the use of coherent states to study the positive frequency part of a (free) quantum field. 6. The discussion on charged scalar fields, and why they are needed to formulate a (scalar) theory of particles and antiparticles. 7. The quantization of the electromagnetic field using the Gupta-Bleuler method using an indefinite metric, and the need for retaining the full Fock space (with indefinite norm) in order to preserve locality. 8. The discussion of the vacuum fluctuations via the Casimir effect. 9. The treatment of the Dirac field and the Pauli exclusion principle. The authors begin with two complex fields that both satisfy the Dirac equation, but the Lagrangian then vanishes. They thus are careful to note that canonical quantization will not work, and so they turn to the using their transformation laws under the Poincare group. The derivation of the anticommutators is purely heuristic (and they note this), and they point out that locality would not be satisfied if canonical quantization were followed. The same holds true, as they state also, if one were to quantize a scalar theory according to Fermi statistics. Their discussion here is a neat illustration of the spin-statistics theorem. 10. The discussion of form factors, which they motivate by calling them a relativistic generalization of charge distributions. 11. The discussion of the Euler-Heisenberg effective Lagrangian, and its ability, even though it is "classical", to model nonlinear phenomena due to quantum corrections. 12. The discussion of the Jost-Lehmann-Dyson representation. 13. The discussion of Euclidean Green functions. 14. The derivation of the Ward-Takahashi identities and the proof that they are preserved by the regularization and renormalization operations. 15. The discussion on functional integration in Bargmann-Fock space, in particular its use in fermion systems. 16. The discussion of the Schwinger-Dyson equations and their use in studying quantum field theory independent of perturbation theory. The existence of a bound state in quantum field theory has yet to be proven using these equations, but they supposedly hold the answer to this existence. The authors give an example of scalar particles interacting via the exchange of scalar particles via the Bethe-Salpeter equation, which are then studied via Wick rotation and where crossed-ladder diagrams are omitted. They also analyze the hyperfine splitting in positronium, but remark that the methods used for this are not entirely satisfactory. 17. The discussion of the sigma model, a topic that has become very important of late. 18. The discussion of asymptotic behavior, the authors emphasizing how the infinities in the relation between bare and renormalized charges and how these infinities must compensate imposes constraints on the theory, which show up in the asymptotic behavior.
Some of the omissions which might be expected from a modern standpoint: 1. Representations of the Poincare group. 2. Critical phenomena. 3. Integrable systems in quantum field theory 4. Finite temperature quantum field theory. 5. Quantum field theory in curved spacetime. 6. A more in-depth treatment of instantons (the authors only spend one page on them). 7. Topological quantum field theory.
Superb.......2001-09-01
This is one of the best field theory texts written. Not an introduction but is suitable for the reader who already has a background in QFT at the level of Hatfield. The authors write very clearly and maintain a level of mathematical rigor superior to other QFT books I've encountered. The text is filled with numerous examples and interesting details. Each topic is dealt with thoroughly leaving the reader well grounded in the material. The presentation is pedagogical and very readable. This is a must read for anyone wishing to study field theory beyond the basics and obtain a mastery of the subject.
It is too bad that it is no longer in print. I was fortunate enough to buy a copy when it was still on the shelves. I would imagine though that almost every scientific library would have copy.
A Field Theory Textbook Like no other.......2000-07-01
Finding a good field theory textbook is one of the harder tasks of people's lives - but Itzykson's book is truly incredible. Starting from the very beginning, it develops the operator formalism with the Dirac equation, moves onto perturbation theory, then onto functional methods - and then to asymptotic methods. It's truly comprehensive.
However, it's strongest selling point is the fact that it actually works out examples in incredible detail - where else do you find a complete computation of a two loop vacuum polarization amplitude? This is the ideal book for someone who actually wants to learn how to do calculations in field theory.
It has two shortcomings - it was written in the 80's so it isn't very modern and it has no problems. But those pale in light of its advantages.
Book Description
In The Quantum Theory of Fields, Nobel Laureate Steven Weinberg combines his exceptional physical insight with his gift for clear exposition to provide a self-contained, comprehensive, and up-to-date introduction to quantum field theory. This is a two-volume work. Volume I introduces the foundations of quantum field theory. The development is fresh and logical throughout, with each step carefully motivated by what has gone before, and emphasizing the reasons why such a theory should describe nature. After a brief historical outline, the book begins anew with the principles about which we are most certain, relativity and quantum mechanics, and the properties of particles that follow from these principles. Quantum field theory emerges from this as a natural consequence. The author presents the classic calculations of quantum electrodynamics in a thoroughly modern way, showing the use of path integrals and dimensional regularization. His account of renormalization theory reflects the changes in our view of quantum field theory since the advent of effective field theories. The book's scope extends beyond quantum electrodynamics to elementary particle physics, and nuclear physics. It contains much original material, and is peppered with examples and insights drawn from the author's experience as a leader of elementary particle research. Problems are included at the end of each chapter. This work will be an invaluable reference for all physicists and mathematicians who use quantum field theory, and it is also appropriate as a textbook for graduate students in this area.
Customer Reviews:
Very thorough and logical, but somewhat difficult and painful to get through.......2007-07-23
To put the review in perspective, My Background: I am a senior undergraduate engineering/physics student with an interest in mathematics and theoretical physics. This is my third QFT book.
Things I liked about the book:
- The book follows a very logical progression. I love how Weinberg presents a coherent argument based on simple physical principles (specifically Lorentz invariance and the cluster decomposition principle).
- Weinberg takes painstaking effort to avoid hand-waving, and is very careful to enumerate (and make plausible) his assumptions. In so doing, he avoids the sort of black-magic feeling I got when reading some less well written QFT books (see for example: Peskin and Schroeder, which makes a mockery of logical progression in an effort to teach you how to calculate as soon as possible).
- The book was very thorough, and often provided an original approach to the material. The coverage of renormalization seemed natural and coherent, and since the book is presented in a logical order (rather than a historical one) Weinberg avoids justifying renormalization as some mysterious subtraction of infinities, basing it instead on general non-perterbative methods (e.g. poles of the S-matrix, etc...)
What I didn't like about the book:
- As a result of his unwavering emphasis on logical progression, and his inclusion of a vast amount of material (almost all of which is necessary to understand in order to progress through the book), the book is somewhat painful to get through. Be prepared to re-read many of the sections a couple of times, and to make very slow progress.
- Weinberg chooses to present QFT in a very general form (i.e. abstracting it from a particular field such as particle physics or condensed matter physics). This is not necessarily a disadvantage, but I often found my interest waning after reading a few hundred pages without making any contact with phenomenology. Additionally, the excercises were similarly abstract, which makes it difficult (at least for me) to particularly care about their results. (More of a problem for self-study)
- The notation is very complete, which isn't normally a bad thing. However, the equations sometimes become very cumbersome when he includes every index, and every functional dependence regardless of how redundant they may be.
- In his coverage of path integrals, he derives things using functional determinants rather than through the more common generating functional methods. I think this hides a lot of the physical insight of the path integral approach, particularly, its equivalence to the 2nd-quantized approach, and its relation to Feynman diagrams.
- This book will drive the more mathematically inclined crazy, as the author admits, it makes very little attempt at rigour, and is very uncareful. He exchanges orders of limits willy-nilly, and often is not even clear about what sort of limiting process is taking place. There is not discussion of functional integration measures, or convergence, and there is very little justification provided for regularization methods (actually the coverage of dimensional regularization is extremely sparce, and would have been unfollowable, had I not already known it).
General Comments:
- I think that, contrary to some of the previous reviews, that the first few chapters of the book (through 6) would be a good first exposure to quantum field theory. I think the reader would have a much better understanding of the theory. However, the rest of the book is quite advanced, and would not be good for the uninitialized.
- I think that in an effort to make his coverage thorough and abstracting his discussion from phenomenology, the author sacrificed some of the readability of the book. That being said, if you're serious about learning the subject, this is a good resource.
Brilliant.......2006-09-15
Weinberg never disappoints the serious student of theoretical physics. There is no good reason to ignore perusing his texts.
Weinberg is a master expositor and creator of modern physics.
There simply is no good reason not to purchase his volumes.
superb book .......2006-08-16
in my opinion this should be one of the best books in qft.
Althought I've read jauch&rohrlich photons and electrons, p.ramond, itzykson, and ultimately, hatfield, Weinberg lead all of them for many heads. The features of this book are clarity, deepness, rigor, and authoritative treatment of all the topics. The discussion for a lagrangian versus hamiltonian formalism is lucid,and no finded in any other book. Group theory is applyied when is customary without cross over the physical implications. It contains a chapter devoted to scattering like no other book, wich is clear and explain concepts involved with "in" and "out" states(other of the lacks of many books of qft). Even the problems that contain are very well picked up, and solvable in most cases. I could't find any fault or mislead in what i read in this book, perhaps any skilled reader can find some. Even binding and typography are excellent, there is nothing more valuable for hardly 40$.
Reading for Rhetoric.......2006-03-31
Physics is usually a horribly taught subject, that is why most students avoid it. When it is effectively communicated, physics can be wonderful. This book represents the former. It is dense. The author is obviously a brilliant person; but, he is not a brilliant communicator. I've got a Master's in Physics and I was lost by the end of the second chapter. I have no doubt that the mathematics as presented are accurate; however, alone they fail to effectively communicate the substance of the topic to a mere mortal. Weinberg does not spend adequate time discussing the context, reality, or historical evolution of his ideas. I purchased all three volumes and, apparently, waisted my money.
I later purchased Roger Penrose's "The Road to Reality" and thoroughly enjoyed it. It was not an easy read either, but Penrose spent a significant amount of time recounting historical context, impact, and the 'reality' of his ideas.
Perfection, but advanced.......2006-01-10
This is one of the best written physics books to ever hit the market. However, it deals with an advanced topic and its not for the faint of heart or those without the proper background. Weinberg's writing style is remarkably clear. A historical introduction (which is very enlightening) is followed by a nice chapter on relatavistic quantum mechanics. Later chapters which I found very useful include a chapter titled "Quantum Fields and Antiparticles", where he introduces the Dirac formalism, and "The Feynman Rules", which is one of the best presentations on this topic I have come across. Chapters on the Lagrangian methods and path integrals are also good. I would strongly advise the reader to thoroughly study other quantum field theory books before tackling this one.
Also recommended (to get started): "Quantum Field Theory in a Nutshell"
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