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Conformal anomaly for amplitudes in N =6 superconformal Chern-Simons theory
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
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 ChernSimons 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 ChernSimons theory.

Place, publisher, year, edition, pages
2012. Vol. 45, no 47, 475402- p.
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Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-188118DOI: 10.1088/1751-8113/45/47/475402ISI: 000311036900017OAI: oai:DiVA.org:uu-188118DiVA: diva2:576654
Available from: 2012-12-13 Created: 2012-12-12 Last updated: 2017-12-06Bibliographically approved

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Bargheer, Till

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