Hidden supersymmetry of domain walls and cosmologies

Details Hidden supersymmetry of domain walls and cosmologies Hidden supersymmetry of domain walls and cosmologies

2006-02-24

arxiv.org/abs/hep-th/0602260v2

Phys.Rev.Lett.96:191301,2006

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, v2:minor improvements, refs added, version to appear in PRL

Scientific paper

10.1103/PhysRevLett.96.191301

We show that all domain-wall solutions of gravity coupled to scalar fields for which the worldvolume geometry is Minkowski or anti-de Sitter admit Killing spinors, and satisfy corresponding first-order equations involving a superpotential determined by the solution. By analytic continuation, all flat or closed FLRW cosmologies are shown to satisfy similar first-order equations arising from the existence of ``pseudo-Killing'' spinors.

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