Dynamics in nonlocal linear models in the Friedmann-Robertson-Walker metric
High Energy Physics - Theory
2008-11-26 v3 Astrophysics
General Relativity and Quantum Cosmology
Mathematical Physics
math.MP
Abstract
A general class of cosmological models driven by a nonlocal scalar field inspired by the string field theory is studied. Using the fact that the considering linear nonlocal model is equivalent to an infinite number of local models we have found an exact special solution of the nonlocal Friedmann equations. This solution describes a monotonically increasing Universe with the phantom dark energy.
Keywords
Cite
@article{arxiv.0711.1364,
title = {Dynamics in nonlocal linear models in the Friedmann-Robertson-Walker metric},
author = {I. Ya. Aref'eva and L. V. Joukovskaya and S. Yu. Vernov},
journal= {arXiv preprint arXiv:0711.1364},
year = {2008}
}
Comments
18 pages, 3 figures, a few misprints in Section 5 have been corrected