Dominant Energy Condition and dissipative fluids in general relativity
General Relativity and Quantum Cosmology
2023-04-19 v2
Abstract
Existing literature implements the Dominant Energy Condition for dissipative fluids in general relativity. It is pointed out that this condition fails to forbid superluminal flows, which is what it is ultimately supposed to do. Tilted perfect fluids, which formally have the stress-energy tensor of imperfect fluids, are discussed for comparison.
Cite
@article{arxiv.2210.16689,
title = {Dominant Energy Condition and dissipative fluids in general relativity},
author = {Valerio Faraoni and El Mokhtar Z. R. Mokkedem},
journal= {arXiv preprint arXiv:2210.16689},
year = {2023}
}
Comments
Corrected typographical error in Eq. (31). Matches the version to appear in Gen. Relativ. Gravit