Cosmological Bardeen-Cooper-Schrieffer condensate as dark energy
Cosmology and Nongalactic Astrophysics
2014-11-20 v3 General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
We argue that the occurrence of late-time acceleration can conveniently be described by first-order general relativity covariantly coupled to fermions. Dark energy arises as a Bardeen-Cooper-Schrieffer condensate of fermions which forms in the early universe. At late times, the gap and chemical potential evolve to have an equation of state with effective negative pressure, thus naturally leading to acceleration.
Keywords
Cite
@article{arxiv.0906.5161,
title = {Cosmological Bardeen-Cooper-Schrieffer condensate as dark energy},
author = {Stephon Alexander and Tirthabir Biswas and Gianluca Calcagni},
journal= {arXiv preprint arXiv:0906.5161},
year = {2014}
}
Comments
17 pages, 3 figures. v2: discussion improved, figure and references added, results unchanged; v3: typo and figure corrections of the erratum included