BPS pp-wave brane cosmological solutions in string theory
High Energy Physics - Theory
2009-11-11 v1 Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We construct time dependent BPS pp-wave brane solutions in the context of M-theory and type II supergravity. It is found that N-brane solutions we considered satisfy the crossing rule as S-brane solutions but 1/8 supersymmetry remains. By applying them to the cosmological setting, inflationary solutions are obtained. During this inflation, the size of the extradimensions becomes smaller than our four-dimensional spacetime dynamically. We also discuss the mechanism for terminating this inflation and recovering the hot big-bang universe.
Cite
@article{arxiv.hep-th/0502055,
title = {BPS pp-wave brane cosmological solutions in string theory},
author = {Makoto Tanabe and Shuntaro Mizuno},
journal= {arXiv preprint arXiv:hep-th/0502055},
year = {2009}
}
Comments
10 pages