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An Introduction to Quantum Field Theory - George Sterman

An Introduction to Quantum Field Theory

Paperback Published: 25th October 1993
ISBN: 9780521311328
Number Of Pages: 592

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This is a systematic presentation of Quantum Field Theory from first principles, emphasizing both theoretical concepts and experimental applications. Starting from introductory quantum and classical mechanics, this book develops the quantum field theories that make up the "Standard Model" of elementary processes. It derives the basic techniques and theorems that underly theory and experiment, including those that are the subject of theoretical development. Special attention is also given to the derivations of cross sections relevant to current high-energy experiments and to perturbative quantum chromodynamics, with examples drawn from electron-positron annihilation, deeply inelastic scattering and hadron-hadron scattering. The first half of the book introduces the basic ideas of field theory. The discussion of mathematical issues is everywhere pedagogical and self contained. Topics include the role of internal symmetry and relativistic invariance, the path integral, gauge theories and spontaneous symmetry breaking, and cross sections in the Standard Model and the parton model. The material of this half is sufficient for an understanding of the Standard Model and its basic experimental consequences. The second half of the book deals with perturbative field theory beyond the lowest-order approximation. The issues of renormalization and unitarity, the renormalization group and asymptotic freedom, infrared divergences in quantum electrodynamics and infrared safety in quantum chromodynamics, jets, the perturbative basis of factorization at high energy and the operator product expansion are discussed. Exercises are included for each chapter, and several appendices complement the text.

"...I would not hesitate to use this book [for] a graduate course on particle physics or quantum field theory." Meinhard Mayer, Physics Today "...useful for an introductory course in quantum field theory to graduate students. Furthermore it provides a good introduction to the theory of perturbative QCD for research scientists who are interested to work in this field." Paolo Nason, Cern Courier

Scalar Fields
Classical fields and symmetries
Canonical quantization
Path integrals, perturbation theory and Feynman rules
Scattering and cross sections for scalar fields
Fields with Spin
Spinors, vectors and gauge invariance
Spin and canonical quantization
Path integrals for fermions and gauge fields
Gauge theories at lowest order
Loops, regularization and unitarity
Introduction to renormalization
Renormalization and unitarity of gauge theories
The Nature of Perturbative Cross Sections
Perturbative corrections and the infrared problem
Analytic structure and infrared finiteness
Factorization and evolution in high energy scattering
Epilogue: bound states and the limitations of perturbation theory
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780521311328
ISBN-10: 0521311322
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 592
Published: 25th October 1993
Country of Publication: GB
Dimensions (cm): 23.98 x 19.05  x 3.15
Weight (kg): 1.0

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