Ghost Condensate Busting
General Relativity and Quantum Cosmology
2008-11-26 v4 Astrophysics
High Energy Physics - Phenomenology
Abstract
Applying the Thomas-Fermi approximation to renormalizable field theories, we construct ghost condensation models that are free of the instabilities associated with violations of the null-energy condition.
Keywords
Cite
@article{arxiv.0801.3942,
title = {Ghost Condensate Busting},
author = {Neven Bilić and Gary B. Tupper and Raoul D. Viollier},
journal= {arXiv preprint arXiv:0801.3942},
year = {2008}
}
Comments
9 pages, minor corrections, a reference added, the discussion on consistency of the Thomas-Fermi approximation expanded, to appear in JCAP