PREPRINT
1D4D0044-BD52-43E7-9B07-30FCF24FC686

Spherical Curvature Inhomogeneities in String Cosmology

John D. Barrow, Kerstin E. Kunze
arXiv:hep-th/9710018

Submitted on 2 October 1997

Abstract

We study the evolution of non-linear spherically symmetric inhomogeneities in string cosmology. Friedmann solutions of different spatial curvature are matched to produce solutions which describe the evolution of non-linear density and curvature inhomogeneities. The evolution of bound and unbound inhomogeneities are studied. The problem of primordial black hole formation is discussed in the string cosmological context and the pattern of evolution is determined in the pre- and post-big-bang phases of evolution.

Preprint

Comment: 19 pages, Latex, 4 figures

Subjects: High Energy Physics - Theory; Astrophysics; General Relativity and Quantum Cosmology

URL: https://arxiv.org/abs/hep-th/9710018