Intrinsic ambiguity in second order viscosity parameters in relativistic hydrodynamics
High Energy Physics - Theory
2012-10-08 v1 Fluid Dynamics
Abstract
We show that relativistic hydrodynamics in Minkowski space-time has intrinsic ambiguity in second order viscosity parameters in the Landau-Lifshitz frame. This stems from the possibility of improvements of energy-momentum tensor. There exist at least two viscosity parameters which can be removed by using this ambiguity in scale invariant hydrodynamics in (1+3) dimension, and seemingly non-conformal hydrodynamic theories can be hiddenly conformal invariant.
Keywords
Cite
@article{arxiv.1206.2421,
title = {Intrinsic ambiguity in second order viscosity parameters in relativistic hydrodynamics},
author = {Yu Nakayama},
journal= {arXiv preprint arXiv:1206.2421},
year = {2012}
}
Comments
5 pages