De Sitter Cosmic Strings and Supersymmetry

Details De Sitter Cosmic Strings and Supersymmetry De Sitter Cosmic Strings and Supersymmetry

2011-04-16

arxiv.org/abs/1104.3241v3

Gen.Rel.Grav.44:1285-1297,2012

Physics

High Energy Physics

High Energy Physics - Theory

Version similar to the one accepted by General Relativity and Gravitation

Scientific paper

We study massive spinor fields in the geometry of a straight cosmic string in
a de Sitter background. We find a hidden N=2 supersymmetry in the fermionic
solutions of the equations of motion. We connect the zero mode solutions to the
heat-kernel regularized Witten index of the supersymmetric algebra.

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