Disformal invariance of continuous media with linear equation of state
High Energy Physics - Theory
2017-02-08 v1 Cosmology and Nongalactic Astrophysics
General Relativity and Quantum Cosmology
Abstract
We show that the effective theory describing single component continuous media with a linear and constant equation of state of the form is invariant under a 1-parameter family of continuous disformal transformations. In the special case of (ultrarelativistic gas), such a family reduces to conformal transformations. As examples, perfect fluids, homogeneous and isotropic solids are discussed.
Keywords
Cite
@article{arxiv.1609.08507,
title = {Disformal invariance of continuous media with linear equation of state},
author = {M. Celoria and S. Matarrese and L. Pilo},
journal= {arXiv preprint arXiv:1609.08507},
year = {2017}
}
Comments
latex, 7 pages