Non minimally coupled condensate cosmologies: a phase space analysis
General Relativity and Quantum Cosmology
2018-04-20 v2
Abstract
We present an analysis of the phase space of cosmological models based on a non minimal coupling between the geometry and a fermionic condensate. We obtain that the strong constraint coming from the Dirac equations allows a detailed design of the cosmology of these models and at the same time guarantees an evolution towards a state indistinguishable from General Relativistic cosmological models. In this light, we show how the use of some specific potentials is able to reproduce naturally two de Sitter phases separated by a power law expansion which could be an interesting model for the unification of an inflationary phase and a dark energy era.
Cite
@article{arxiv.1401.0473,
title = {Non minimally coupled condensate cosmologies: a phase space analysis},
author = {Sante Carloni and Stefano Vignolo and Roberto Cianci},
journal= {arXiv preprint arXiv:1401.0473},
year = {2018}
}
Comments
25 pages, 4 figures, submitted to Classical and Quantum Gravity