A book introducing Quamtum Field Theory from a group theory approach

In summary, the conversation discusses the search for a book that explains Quantum Field Theory using a group theory approach for mathematical physicists. The desired book should cover topics such as groups, representations, and irreducible representations, with a rigorous mathematical approach but not overly technical. Suggestions for books that fit this criteria include H. Weyl's 'Theory of groups & quantum mechanics', Fields by Siegel, and Chapters 2 and 3 of Maggiore's Modern Intro to QFT. Additional recommendations include Pierre Ramond's books for a modern and reliable explanation of the subject.
  • #1
NewGuy
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I'm looking for a book that describes Quantum Field Theory from a group theory approach for mathematical physicists (with emphasis on the physics part). Ideally I want it to first describe and define groups, representations and irreducible representations. The more rigorous the math, the better (but it shouldn't drown in technicalities of course). If you have ever read Robert Wald's book on General Relativity, it should ideally have the same kind of structure (I love that book!).

Anybody know a book like this?
 
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  • #2
Try H. Weyl's 'Theory of groups & quantum mechanics'.
 
  • #3
  • #4
Siegel indeed covers many topics. But you might want to start with Chapters 2 and 3 of Maggiore's Modern Intro to QFT (unless you are a resurrection of Eugene Wigner or John von Neumann, in which case you probably won't need a textbook). It's thin, modern and proven itself over and over again. Also have a look at Pierre Ramond's books.
 
  • #5


As a scientist with a background in physics, I can recommend the book "Group Theory and Quantum Mechanics" by Michael Tinkham as an excellent resource for understanding Quantum Field Theory from a group theory perspective. This book provides a thorough introduction to group theory and its applications in quantum mechanics, including the concept of representations and irreducible representations. The mathematical rigor is well-balanced with clear explanations and examples that make it accessible for both physicists and mathematicians. Additionally, the structure of the book is similar to Robert Wald's "General Relativity" in its clarity and organization. I highly recommend this book for anyone looking to deepen their understanding of Quantum Field Theory.
 

1. What is Quantum Field Theory (QFT)?

Quantum Field Theory is a theoretical framework used to describe the behavior of subatomic particles and their interactions. It combines quantum mechanics and special relativity to explain the fundamental forces of nature.

2. What is the role of group theory in QFT?

Group theory is an essential tool in QFT as it provides a mathematical framework for describing symmetries and transformations of particles and their interactions. It allows us to classify particles and their properties, and predict how they will behave under different conditions.

3. How does QFT differ from classical field theory?

Classical field theory describes the behavior of fields (such as electromagnetic or gravitational fields) using classical mechanics. QFT takes into account quantum effects, which means that particles and fields can have discrete energy levels and exhibit wave-particle duality.

4. What are some practical applications of QFT?

QFT has many practical applications, including the development of new technologies such as transistors, lasers, and superconductors. It also plays a crucial role in understanding and predicting the behavior of particles in high-energy physics experiments.

5. Is QFT a complete theory of everything?

No, QFT is not a complete theory of everything. While it has been successful in explaining many phenomena, it does not currently account for gravity and is incompatible with general relativity. The search for a unified theory that combines quantum mechanics and gravity is still ongoing.

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