Entropy of Radiation with Dynamical Gravity
High Energy Physics - Theory
2023-05-24 v2 General Relativity and Quantum Cosmology
Abstract
We compute the subregion entanglement entropy for a doubly holographic black string model. This system consists of a non-gravitating bath and a gravitating brane, where we incorporate dynamic gravity by adding a DGP term. This opens up a new parameter directly extending previous work and raises an important question about unitarity. In this note we analyse which theories in this big parameter space, will have unitary entropy evolution, in particular, we will distinguish which of those will follow a Page curve.
Cite
@article{arxiv.2302.04279,
title = {Entropy of Radiation with Dynamical Gravity},
author = {Carlos Perez-Pardavila},
journal= {arXiv preprint arXiv:2302.04279},
year = {2023}
}
Comments
26 pages + references, 15 figures; v2: corrected a sign error, updated the corresponding figures and rewrote part of section 4.1, major conclusions unchanged