Backreactions in Superinflationary Cosmologies
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
We examine Jordan-Brans-Dicke theories with a linear potential for the scalar field by means of a stochastic approach. The backreaction of the scalar field fluctuations on the classical background is described. The analysis is concentrated on those values of the Jordan-Brans-Dicke parameter which predict a superinflationary pre-big-bang branch. The graceful exit problem present in these theories is discussed.
Cite
@article{arxiv.hep-ph/9801211,
title = {Backreactions in Superinflationary Cosmologies},
author = {Z. Lalak and R. Poppe},
journal= {arXiv preprint arXiv:hep-ph/9801211},
year = {2007}
}
Comments
3 pages, Latex, sprocl.sty included, Proceedings of Cosmo'97, Charlotte Mason College, Ambleside, Lancashire, England, 15-19 Sept. 1997