Quantum Field Theory: A Modern Introduction | Michio Kaku

Quantum Field Theory: A Modern Introduction | Michio Kaku | extensive problem sets are useful

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Quantum Field Theo...

	Quantum Field Theory: A Modern Introduction Michio Kaku Oxford University Press, USA, 1993 - 808 pages average customer review:based on 12 reviews view larger image
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The rise of quantum electrodynamics (QED) made possible a number of excellent textbooks on quantum field theory in the 1960s. However, the rise of quantum chromodynamics (QCD) and the Standard Model has made it urgent to have a fully modern textbook for the 1990s and beyond. Building on the foundation of QED, Quantum Field Theory: A Modern Introduction presents a clear and comprehensive discussion of the gauge revolution and the theoretical and experimental evidence which makes the Standard Model the leading theory of subatomic phenomena. The book is divided into three parts: Part I, Fields and Renormalization, lays a solid foundation by presenting canonical quantization, Feynman rules and scattering matrices, and renormalization theory. Part II, Gauge Theory and the Standard Model, focuses on the Standard Model and discusses path integrals, gauge theory, spontaneous symmetry breaking, the renormalization group, and BPHZ quantization. Part III, Non-perturbative Methods and Unification, discusses more advanced methods which now form an essential part of field theory, such as critical phenomena, lattice gauge theory, instantons, supersymmetry, quantum gravity, supergravity, and superstrings.

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This is an Introduction - Not an In-Depth Study...DUH

Some of these reviewers need to review the title of the book. This is a "modern introduction to quantum field theory", not some in-depth study with hearty breadth. Duh. For physicist's you people don't have much common sense to speak of.

extensive problem sets are useful

Several of the other reviewers may be correct, about the quality of the text, and the developments of some of its arguments. It does however go beyond such earlier standard texts, like Sakurai's "Advanced Quantum Mechanics", which was just an introductory treatment of relativistic quantum mechanics. Kaku takes you well into the depths of QCD and the [current] Standard Model.

If you are a grad student wanting expertise in this field, an attraction of the book is its extensive problem sets for each chapter. Perhaps more so than the textual exposition! Another reviewer bemoaned the lack of worked out problems or answers. Well, that lack is the norm for many advanced texts. You just have to get used to it. But a more positive way to look at this is to recognise that sometimes knowing that an answer to a problem exists can be valuable in itself.

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Too superficial, but ok reference

In my opinion this book is just ok. The breadth of material it covers is good. You can find topics such as critical phenomena and lattice gauge theory among its twenty plus chapters. However, I don't think there is generally much depth. To me the book reads like a catalog of results, I don't see it providing students with any real mathematical or physical insights. The main use I see for it is as a reference.

Page counting isn't a perfect means to determine completeness, but hopefully it does give an impression of the style. A couple of brief examples would be BRST quantization being covered in two pages (almost all equations) and SU(5) in one page. These are just a couple of places where I thought the treatment was so superficial I wondered why it was included at all.

A more detailed example would be the treatment of quantum gravity. It goes from the equivalence principle to Christoffel symbols in five pages, the Robertson-Walker solution is covered in barely more than a page and inflation in two pages. Maybe it's me, but I just don't see people that don't already know this stuff learning it here. Another comment on this chapter concerns the approach to developing classical general relativity. It is based on the properties of covariant vectors and contravariant vectors under coordinate transformation, this is definitely not a modern approach.

The topics it covers are quite interesting, a student with an excellent instructor may find it a useful book. However, I find it hard to imagine many people learning quantum field theory by reading this book. Just off the top of my head I can think of four books that I think most people would find much more helpful in learning quantum field theory: Peskin and Schroeder, Ryder, Weinberg and Zee ("quantum field theory in a nutshell" this isn't so much a traditional text book, but it is very insightful).

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reviews: page 1, 2, 3

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