Sudden Shock Waves in modified gravity
General Relativity and Quantum Cosmology
2023-06-28 v2 High Energy Physics - Theory
Abstract
We construct a generic asymptotic solution for modified gravity near a sudden singularity. This solution contains a fluid source with no equation of state and is function-counting stable, that is it has eleven independent arbitrary functions of the spatial coordinates as dictated by the Cauchy problem of the theory. We further show that near the sudden singularity the solution has a shock wave character with the same number of free functions in the Jordan and Einstein frame.
Keywords
Cite
@article{arxiv.2304.13291,
title = {Sudden Shock Waves in modified gravity},
author = {Ignatios Antoniadis and Spiros Cotsakis and Dimitrios Trachilis},
journal= {arXiv preprint arXiv:2304.13291},
year = {2023}
}
Comments
v2: 14 pages, matches published version