Quantum Field Theory in a Nutshell: Second EditionSince it was first published, Quantum Field Theory in a Nutshell has quickly established itself as the most accessible and comprehensive introduction to this profound and deeply fascinating area of theoretical physics. Now in this fully revised and expanded edition, A. Zee covers the latest advances while providing a solid conceptual foundation for students to build on, making this the most uptodate and modern textbook on quantum field theory available. This expanded edition features several additional chapters, as well as an entirely new section describing recent developments in quantum field theory such as gravitational waves, the helicity spinor formalism, onshell gluon scattering, recursion relations for amplitudes with complex momenta, and the hidden connection between YangMills theory and Einstein gravity. Zee also provides added exercises, explanations, and examples, as well as detailed appendices, solutions to selected exercises, and suggestions for further reading.

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Contents
Part II Dirac and the Spinor  91 
Part III Renormalization and Gauge Invariance  159 
Part IV Symmetry and Symmetry Breaking  221 
Part V Field Theory and Collective Phenomena  281 
Part VI Field Theory and Condensed Matter  313 
Part VII Grand Unification  369 
Part VIII Gravity and Beyond  431 
Part N  477 
Gaussian Integration and the Central Identity of Quantum Field Theory  523 
A Brief Review of Group Theory  525 
Feynman Rules  534 
Various Identities and Feynman Integrals  538 
Dotted and Undotted Indices and the Majorana Spinor  541 
Solutions to Selected Exercises  545 
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