Non-abelian gauged supergravities as double copies
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Publication:2314952
DOI10.1007/JHEP06(2019)099zbMATH Open1416.83136arXiv1812.10434OpenAlexW2905827501WikidataQ127654133 ScholiaQ127654133MaRDI QIDQ2314952
Author name not available (Why is that?)
Publication date: 30 July 2019
Published in: (Search for Journal in Brave)
Abstract: Scattering amplitudes have the potential to provide new insights to the study of supergravity theories with gauged R-symmetry and Minkowski vacua. Such gaugings break supersymmetry spontaneously, either partly or completely. In this paper, we develop a framework for double-copy constructions of Abelian and non-Abelian gaugings of N=8 supergravity with these properties. They are generally obtained as the double copy of a spontaneously-broken (possibly supersymmeric) gauge theory and a theory with explicitly-broken supersymmetry. We first identify purely-adjoint deformations of N=4 super-Yang-Mills theory that preserve the duality between color and kinematics. A combination of Higgsing and orbifolding yields the needed duality-satisfying gauge-theory factors with multiple matter representations. We present three explicit examples. Two are Cremmer-Scherk-Schwarz gaugings with unbroken N=6,4 supersymmetry and U(1) gauge group. The third has unbroken N=4 supersymmetry and SU(2)xU(1) gauge group. We also discuss examples in which the double-copy method gives theories with explicitly-broken supersymmetry.
Full work available at URL: https://arxiv.org/abs/1812.10434
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