A Schwarzian on the Stretched Horizon
High Energy Physics - Theory
2022-06-15 v2 General Relativity and Quantum Cosmology
Abstract
It is well known that the Euclidean black hole action has a boundary term at the horizon proportional to the area. I show that if the horizon is replaced by a stretched horizon with appropriate boundary conditions, a new boundary term appears, described by a Schwarzian action similar to the recently discovered boundary actions in "nearly anti-de Sitter" gravity.
Keywords
Cite
@article{arxiv.2203.13323,
title = {A Schwarzian on the Stretched Horizon},
author = {S. Carlip},
journal= {arXiv preprint arXiv:2203.13323},
year = {2022}
}
Comments
8 pages; v2: 9 pages, extended explanation of boundary conditions, other minor changes, to appear in a special issue of Gen. Rel. Grav. in memory of Prof. Thanu Padmanabhan ("Paddy")