Scattering Amplitudes in Gauge Theories

Buch | Softcover
XV, 195 Seiten
2014 | 2014
Springer Berlin (Verlag)
978-3-642-54021-9 (ISBN)
64,19 inkl. MwSt
Bridging the gap between introductory courses on quantum field theory and state-of-the-art research, this book offers a course of concise yet self-contained and course-tested lecture notes, accompanied by numerous exercises and solutions.

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 present

ed in the main text.

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.

"Aimed at the advanced graduate student or a practitioner of high energy theory interested in the subject, the book begins with a review of non-abelian gauge theory and its conventional Feynman methods before immediately delving into on-shell recursion relations of BCFW (Britto-Cachazo-Feng-Witten) and factorization properties. ... Of particular usefulness to the student are the exercises and an entire appendix dedicated to their detailed solutions." (Yang-Hui He, zbMATH 1315.81005, 2015)

Erscheint lt. Verlag 20.2.2014
Reihe/Serie Lecture Notes in Physics
Zusatzinfo XV, 195 p. 85 illus.
Verlagsort Berlin
Sprache englisch
Maße 155 x 235 mm
Gewicht 335 g
Themenwelt Naturwissenschaften Physik / Astronomie Hochenergiephysik / Teilchenphysik
Naturwissenschaften Physik / Astronomie Quantenphysik
Naturwissenschaften Physik / Astronomie Theoretische Physik
Naturwissenschaften Physik / Astronomie Thermodynamik
Schlagworte Colour-ordered Feynman rules • dual superconformal invariance • Dual superconformal symmetries • Gauge field theories • Gauge theories text • N=4 Super Yang-Mills theory • Scattering amplitudes and Superamplitudes • Wilson loops
ISBN-10 3-642-54021-X / 364254021X
ISBN-13 978-3-642-54021-9 / 9783642540219
Zustand Neuware
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