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Supersymmetric vacuum configurations in string cosmology

Publication date1999
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.

Citation (ISO format)
FOFFA, Stefano, MAGGIORE, Michele, STURANI, Riccardo. Supersymmetric vacuum configurations in string cosmology. In: Physical review. D. Particles, fields, gravitation, and cosmology, 1999, vol. 59, n° 043507, p. 4. doi: 10.1103/PhysRevD.59.043507
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Article (Accepted version)
accessLevelPublic
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Journal ISSN1550-2368
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