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Pseudo-Supersymmetry and the Domain-Wall/Cosmology Correspondence

Research paper by K. Skenderis, P. K. Townsend

Indexed on: 15 Dec '06Published on: 15 Dec '06Published in: High Energy Physics - Theory



Abstract

The correspondence between domain-wall and cosmological solutions of gravity coupled to scalar fields is explained. Any domain wall solution that admits a Killing spinor is shown to correspond to a cosmology that admits a pseudo-Killing spinor: whereas the Killing spinor obeys a Dirac-type equation with hermitian `mass'-matrix, the corresponding pseudo-Killing spinor obeys a Dirac-type equation with a anti-hermitian `mass'-matrix. We comment on some implications of (pseudo)supersymmetry.