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Conformal anomaly for amplitudes in N=6 superconformal Chern-Simons theory
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
2012 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 45, no 47, 475402- p.Article in journal (Refereed) Published
Abstract [en]

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 vertical bar 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.

Place, publisher, year, edition, pages
2012. Vol. 45, no 47, 475402- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-83814DOI: 10.1088/1751-8113/45/47/475402ISI: 000311036900017OAI: oai:DiVA.org:su-83814DiVA: diva2:577117
Note

AuthorCount:4;

Available from: 2012-12-14 Created: 2012-12-14 Last updated: 2017-12-06Bibliographically approved

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