The null energy condition and cosmology

Authors :: Igor Volovich
I. Ya. Aref'eva
Source :: Theoretical and Mathematical Physics. 155:503-511
Publication Year :: 2008
Publisher :: Springer Science and Business Media LLC, 2008.
Abstract: Field theories which violate the null energy condition (NEC) are of interest for the solution of the cosmological singularity problem and for models of cosmological dark energy with the equation of state parameter $w<br />Comment: 13 pages, Latex, 1 figure