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Spontaneously broken Yang-Mills-Einstein supergravities as double copies
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). Uppsala University, Sweden; CERN, Switzerland.
Number of Authors: 4
2017 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 6, 064Article in journal (Refereed) Published
Abstract [en]

Color/kinematics duality and the double-copy construction have proved to be systematic tools for gaining new insight into gravitational theories. Extending our earlier work, in this paper we introduce new double-copy constructions for large classes of spontaneously-broken Yang-Mills-Einstein theories with adjoint Higgs fields. One gauge-theory copy entering the construction is a spontaneously-broken (super-) Yang-Mills theory, while the other copy is a bosonic Yang-Mills-scalar theory with trilinear scalar interactions that display an explicitly-broken global symmetry. We show that the kinematic numerators of these gauge theories can be made to obey color/kinematics duality by exhibiting particular additional Lie-algebraic relations. We discuss in detail explicit examples with N = 2 supersymmetry, focusing on Yang-Mills-Einstein supergravity theories belonging to the generic Jordan family in four and five dimensions, and identify the map between the supergravity and double-copy fields and parameters. We also briefy discuss the application of our results to N = 4 supergravity theories. The constructions are illustrated by explicit examples of tree-level and one-loop scattering amplitudes.

Place, publisher, year, edition, pages
2017. no 6, 064
Keyword [en]
Extended Supersymmetry, Higgs Physics, Scattering Amplitudes, Supergravity Models
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-145217DOI: 10.1007/JHEP06(2017)064ISI: 000403244000003OAI: oai:DiVA.org:su-145217DiVA: diva2:1128788
Available from: 2017-07-28 Created: 2017-07-28 Last updated: 2017-07-28Bibliographically approved

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Johansson, Henrik
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