String cosmology from a novel renormalization perspective
High Energy Physics - Theory
2007-05-23 v3 General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We study small perturbations around the exactly marginal time-dependent string configuration of [1], and demonstrate the lack of the appropriate linearization. This implies that this configuration is an isolated fixed point of the flow in the pertinent space of theories.
Cite
@article{arxiv.hep-th/0509105,
title = {String cosmology from a novel renormalization perspective},
author = {Jean Alexandre and Nick E. Mavromatos},
journal= {arXiv preprint arXiv:hep-th/0509105},
year = {2007}
}
Comments
6 pages LaTeX, ammended version, includes modified discussion on linearisation about fixed point solution and arguments in favour of an `isolated fixed point'