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  Conformal Anomaly for Amplitudes in N=6 Superconformal Chern-Simons Theory

Bargheer, T., Beisert, N., Loebbert, F., & McLoughlin, T. (2012). Conformal Anomaly for Amplitudes in N=6 Superconformal Chern-Simons Theory. Journal of Physics A: Mathematical and General, 45 (47): 475402. doi:10.1088/1751-8113/45/47/475402.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-8715-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-8717-7
Genre: Journal Article

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1204.4406 (Preprint), 521KB
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 Creators:
Bargheer, Till1, Author              
Beisert, Niklas1, Author              
Loebbert, Florian1, Author              
McLoughlin, Tristan1, Author              
Affiliations:
1Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24016              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: Scattering amplitudes in three-dimensional N=6 Chern-Simons theory are shown to be non-invariant with respect to the free representation of the osp(6|4) symmetry generators. At tree and one-loop level these "anomalous" terms occur only for non-generic, singular configurations of the external momenta and can be used to determine the form of the amplitudes. In particular we show that the symmetries predict that the one-loop six-point amplitude is non-vanishing and confirm this by means of an explicit calculation using generalized unitarity methods. We comment on the implications of this finding for any putative Wilson loop/amplitude duality in N=6 Chern-Simons theory.

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 Dates: 2012-04-192012
 Publication Status: Published in print
 Pages: 26 pages, 9 figures, 1 table
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1204.4406
DOI: 10.1088/1751-8113/45/47/475402
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Title: Journal of Physics A: Mathematical and General
  Alternative Title : JPhysA
Source Genre: Journal
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Publ. Info: London? : IOP Pub.
Pages: - Volume / Issue: 45 (47) Sequence Number: 475402 Start / End Page: - Identifier: -