ENGLISH

Scattering Amplitudes and Wilson Loops in Twistor Space

By Mathew Richard Bullimore (auth.)

Book information

Publisher
Springer International Publishing
Year
2014
ISBN
978-3-319-00908-7, 978-3-319-00909-4
DOI
10.1007/978-3-319-00909-4
Language
english
Format
PDF
Filesize
2 MB (1974856 bytes)
Series
Springer Theses
Edition
1
Pages
118\130
Orientation
yes
Scanned
yes
Time added
2013-10-31 01:31:25
Quantum Field TheoriesQuantum Field Theory;Mathematical Applications inString Theory;Mathematical Physics;Elementary Part

Description

Scattering amplitudes are fundamental and rich observables in quantum field theory. Based on the observation that, for massless particles of spin-one or more, scattering amplitudes are much simpler than expected from traditional Feynman diagram techniques, the broad aim of this work is to understand and exploit this hidden structure. It uses methods from twistor theory to provide new insights into the correspondence between scattering amplitudes in supersymmetric Yang-Mills theory and null polygonal Wilson loops. By additionally exploiting the symmetries of the problem, the author succeeds in developing new ways of computing scattering amplitudes.

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