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  String-inspired BCJ numerators for one-loop MHV amplitudes

He, S., Monteiro, R., & Schlotterer, O. (2016). String-inspired BCJ numerators for one-loop MHV amplitudes. Journal of high energy physics: JHEP, 2016(01): 171. doi:10.1007/JHEP01(2016)171.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-1555-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-83AC-9
Genre: Journal Article

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 Creators:
He, Song, Author
Monteiro, Ricardo, Author
Schlotterer, Oliver1, Author              
Affiliations:
1Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: We find simple expressions for the kinematic numerators of one-loop MHV amplitudes in maximally supersymmetric Yang--Mills theory and supergravity, for any multiplicity. The gauge theory numerators satisfy the Bern-Carrasco-Johansson (BCJ) duality between color and kinematics, so that the gravity numerators are simply the square of the gauge theory ones. The duality holds because the numerators can be written in terms of structure constants of a kinematic algebra, which is familiar from the BCJ organization of self-dual gauge theory and gravity. The close connection that we find between one-loop amplitudes in the self-dual case and in the maximally supersymmetric case is the converse to the dimension-shifting formula. The starting point for arriving at our expressions is the dimensional reduction of ten-dimensional amplitudes obtained in the field-theory limit of open superstrings.

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 Dates: 2015-07-222016
 Publication Status: Published in print
 Pages: 31+12 pages, 7 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1507.06288
DOI: 10.1007/JHEP01(2016)171
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2016 (01) Sequence Number: 171 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002