Supersymmetric Vacuum Configurations in String Cosmology
General Relativity and Quantum Cosmology
2009-10-31 v1
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.
Cite
@article{arxiv.gr-qc/9804077,
title = {Supersymmetric Vacuum Configurations in String Cosmology},
author = {Stefano Foffa and Michele Maggiore and Riccardo Sturani},
journal= {arXiv preprint arXiv:gr-qc/9804077},
year = {2009}
}
Comments
4 pages, Latex, 2 figures