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From the Holomorphic Wilson Loop to `d log' Loop-Integrands of Super-Yang-Mills Amplitudes

Abstract:

The S-matrix for planar N = 4 super Yang-Mills theory can be computed as the correlation function for a holomorphic polygonal Wilson loop in twistor space. In an axial gauge, this leads to the construction of the all-loop integrand via MHV diagrams in twistor space. We show that at MHV, this formulation leads directly to expressions for loop integrands in d log form; i.e., the integrand is a product of exterior derivatives of logarithms of rational functions. For higher MHV degree, it is in d...

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Publication status:
Published

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Publisher copy:
10.1007/JHEP05(2013)106

Authors


Journal:
JOURNAL OF HIGH ENERGY PHYSICS
Volume:
2013
Issue:
5
Publication date:
2012-12-26
DOI:
EISSN:
1029-8479
ISSN:
1029-8479
Source identifiers:
369815
Language:
English
Keywords:
Pubs id:
pubs:369815
UUID:
uuid:55ee2b02-561d-4289-880c-22dcb2b9b425
Local pid:
pubs:369815
Deposit date:
2013-11-16

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