Domain Wall/Cosmology correspondence in (AdS/dS)_6 x S^4 geometries

Details Domain Wall/Cosmology correspondence in (AdS/dS)_6 x S^4 geometries Domain Wall/Cosmology correspondence in (AdS/dS)_6 x S^4 geometries

2007-06-10

arxiv.org/abs/0706.1361v1

Phys.Lett.B653:95-100,2007

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, LaTeX

Scientific paper

10.1016/j.physletb.2007.07.048

We investigate the ten dimensional origin of six dimensional F_4 variant supergravity with supersymmetric de Sitter background. We address first the issue of spontaneous compactification, showing that it consists of a warped compactification on a four sphere of a variant massive type IIA supergravity. Moreover we illustrate how the known D4-D8 brane solution, whose near horizon geometry yields AdS_6 x S^4, is accordingly modified to a system including Euclidean branes. Finally, we discuss the relation between this latter solution and the D4-D8 brane system, showing how it represents a generalisation of the DW/Cosmology correspondence.

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