Redshift and contact forms
Symplectic Geometry
2017-11-15 v1 General Relativity and Quantum Cosmology
Differential Geometry
Abstract
It is shown that the redshift between two Cauchy surfaces in a globally hyperbolic spacetime equals the ratio of the associated contact forms on the space of light rays of that spacetime.
Cite
@article{arxiv.1709.01741,
title = {Redshift and contact forms},
author = {Vladimir Chernov and Stefan Nemirovski},
journal= {arXiv preprint arXiv:1709.01741},
year = {2017}
}
Comments
9 pages, 1 figure