Chapter 3. Perturbation Theory and Evaluation of the S-Matrix
Published Online: 29 DEC 2007
DOI: 10.1002/9783527617357.ch3
Copyright © 2004 WILEY-VCH Verlag GmbH & Co. KGaA
Book Title
Gauge Field Theories: An Introduction with Applications
Additional Information
How to Cite
Guidry, M. (2007) Perturbation Theory and Evaluation of the S-Matrix, in Gauge Field Theories: An Introduction with Applications, Wiley-VCH Verlag GmbH, Weinheim, Germany. doi: 10.1002/9783527617357.ch3
Publication History
- Published Online: 29 DEC 2007
- Published Print: 28 OCT 1991
ISBN Information
Print ISBN: 9780471631170
Online ISBN: 9783527617357
- Summary
- Chapter
Keywords:
- physical observables;
- quantum field theory;
- expansion methods;
- S-matrix elements;
- vectors
Summary
This chapter contains sections titled:
Interaction Representation
Definition of the S-Matrix
Interaction Picture Fourier Expansions
Reduction by Wick's Theorem
Example: Self-coupled Scalar Field
Differential Cross Sections
Example: Spinor Electrodynamics
Graphs That Are Excluded
Feynman Rules for Electrodynamics
Background and Further Reading