Franklin

Scattering Amplitudes in Gauge Theories [electronic resource] / by Johannes M. Henn, Jan C. Plefka.

Author/Creator:
Henn, Johannes M. author., Author,
Edition:
1st ed. 2014.
Publication:
Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2014.
Series:
Lecture Notes in Physics, 0075-8450 ; 883
Lecture Notes in Physics, 0075-8450 ; 883
Format/Description:
Book
1 online resource (XV, 195 p. 85 illus.)
Subjects:
Quantum field theory.
String theory.
Elementary particles (Physics).
Physics.
Local subjects:
Quantum Field Theories, String Theory. (search)
Elementary Particles, Quantum Field Theory. (search)
Mathematical Methods in Physics. (search)
Language:
English
Summary:
At the fundamental level, the interactions of elementary particles are described by quantum gauge field theory. The quantitative implications of these interactions are captured by scattering amplitudes, traditionally computed using Feynman diagrams. In the past decade tremendous progress has been made in our understanding of and computational abilities with regard to scattering amplitudes in gauge theories, going beyond the traditional textbook approach. These advances build upon on-shell methods that focus on the analytic structure of the amplitudes, as well as on their recently discovered hidden symmetries. In fact, when expressed in suitable variables the amplitudes are much simpler than anticipated and hidden patterns emerge.   These modern methods are of increasing importance in phenomenological applications arising from the need for high-precision predictions for the experiments carried out at the Large Hadron Collider, as well as in foundational mathematical physics studies on the S-matrix in quantum field theory.   Bridging the gap between introductory courses on quantum field theory and state-of-the-art research, these concise yet self-contained and course-tested lecture notes are well-suited for a one-semester graduate level course or as a self-study guide for anyone interested in fundamental aspects of quantum field theory and its applications. The numerous exercises and solutions included will help readers to embrace and apply the material presented in the main text.
Contents:
Introduction and Basics
Tree-Level Techniques
Loop-Level Structure.- Advanced Topics
Renormalization Properties of Wilson Loops
Conventions and Useful Formulae
Solutions to the Exercises
References.
Notes:
Bibliographic Level Mode of Issuance: Monograph
Includes bibliographical references.
Contributor:
Plefka, Jan C. author., Author,
ISBN:
3-642-54022-8
Publisher Number:
10.1007/978-3-642-54022-6 doi
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