Exceptional Flux Compactifications

Details Exceptional Flux Compactifications Exceptional Flux Compactifications

2012-02-03

arxiv.org/abs/1202.0770v2

Physics

High Energy Physics

High Energy Physics - Theory

50 pages, 2 figures and 4 tables. v2: minor corrections, additional material in appendix D and references added

Scientific paper

We consider type II (non-)geometric flux backgrounds in the absence of brane sources, and construct their explicit embedding into maximal gauged D=4 supergravity. This enables one to investigate the critical points, mass spectra and gauge groups of such backgrounds. We focus on a class of type IIA geometric vacua and find a novel, non-supersymmetric and stable AdS vacuum in maximal supergravity with a non-semisimple gauge group. Our construction relies on a non-trivial mapping between SL(2) x SO(6,6) fluxes, SU(8) mass spectra and gaugings of E7(7) subgroups.

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