Kalb-Ramond axion production in anisotropic string cosmologies
High Energy Physics - Phenomenology
2012-10-23 v1 Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
We compute the energy spectra for massless Kalb-Ramond axions in four-dimensional anisotropic string cosmological models. We show that, when integrated over directions, the four-dimensional anisotropic model leads to infra-red divergent spectra similar to the one found in the isotropic case.
Cite
@article{arxiv.hep-ph/0003112,
title = {Kalb-Ramond axion production in anisotropic string cosmologies},
author = {Ruth Durrer and Mairi Sakellariadou},
journal= {arXiv preprint arXiv:hep-ph/0003112},
year = {2012}
}
Comments
7 pages Latex, 3 postscript figs. included, submitted to PRD