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Supersymmetric Vacuum Configurations in String Cosmology

Stefano Foffa·Michele Maggiore·Riccardo Sturani
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Abstract

We examine in a cosmological context the conditions for unbroken supersymmetry in N=1 supergravity in D=10 dimensions. We show that the cosmological solutions of the equations of motion obtained considering only the bosonic sector correspond to vacuum states with spontaneous supersymmetry breaking. With a non vanishing gravitino-dilatino condensate we find a solution of the equations of motion that satisfies necessary conditions for unbroken supersymmetry and that smoothly interpolates between Minkowski space and DeSitter space with a linearly growing dilaton, thus providing a possible example of a supersymmetric and non-singular pre-big-bang cosmology.

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Stefano Foffa, Michele Maggiore, Riccardo Sturani. 1998-04-28. Supersymmetric Vacuum Configurations in String Cosmology. https://doi.org/10.1103/physrevd.59.043507

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