Energy Conditions and Supernovae Observations
Astrophysics
2009-11-11 v2 General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
In general relativity, the energy conditions are invoked to restrict general energy-momentum tensors on physical grounds. We show that in the standard Friedmann-Lemaitre-Robertson-Walker approach to cosmological modelling where the equation of state of the cosmological fluid is unknown, the energy conditions provide model-independent bounds on the behavior of the distance modulus of cosmic sources as a function of the redshift. We use both the gold and the legacy samples of current type Ia supenovae to carry out a model-independent analysis of the energy conditions violation in the context of standard cosmology.
Keywords
Cite
@article{arxiv.astro-ph/0608031,
title = {Energy Conditions and Supernovae Observations},
author = {J. Santos and J. S. Alcaniz and M. J. Reboucas},
journal= {arXiv preprint arXiv:astro-ph/0608031},
year = {2009}
}
Comments
4 pages, 2 figures; v2: References added, misprints corrected, published in Phys.Rev.D in the present form