Domain-wall/Cosmology correspondence in adS/dS supergravity

Details Domain-wall/Cosmology correspondence in adS/dS supergravity Domain-wall/Cosmology correspondence in adS/dS supergravity

2007-04-30

arxiv.org/abs/0704.3918v3

JHEP0708:036,2007

Physics

High Energy Physics

High Energy Physics - Theory

21 pages;v2: rewritten to clarify the link with fake supergravity -- main results unchanged; v3: typos corrected, two refs add

Scientific paper

10.1088/1126-6708/2007/08/036

We realize the domain-wall/cosmology correspondence for (pseudo)supersymmetric domain walls (cosmologies) in the context of four-dimensional supergravity. The OSp(2|4)-invariant anti-de Sitter (adS) vacuum of a particular N=2 Maxwell-Einstein supergravity theory is shown to correspond to the OSp(2^*|2,2)-invariant de Sitter (dS) vacuum of a particular pseudo-supergravity model, with `twisted' reality conditions on spinors. More generally, supersymmetric domain walls of the former model correspond to pseudo-supersymmetric cosmologies of the latter model, with time-dependent pseudo-Killing spinors that we give explicitly.

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