paper

Type II origin of dyonic gaugings

arXiv:1612.05123 · doi:10.1103/PhysRevD.95.066020

Abstract

Dyonic gaugings of four-dimensional supergravity typically exhibit a richer vacuum structure compared to their purely electric counterparts, but their higher-dimensional origin often remains more mysterious. We consider a class of dyonic gaugings with gauge groups of the type (SO(p,q)xSO(p',q')) with nilpotent. Using generalized Scherk-Schwarz reductions of exceptional field theory, we show how these four-dimensional gaugings may be consistently embedded in Type II supergravity upon compactification around products of spheres and hyperboloids. As an application, we give the explicit uplift of the N=4 AdS vacuum of the theory with gauge group (SO(6)xSO(1,1)) into a supersymmetric AdSxx S-fold solution of IIB supergravity. The internal space is a squashed preserving an SO(4) SO(6) subset of its isometries.

32 pages, v2: new appendix on relation to N=4 Janus solutions, version to appear in PRD

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