Horizon energy as the boost boundary term in general relativity and loop gravity
General Relativity and Quantum Cosmology
2012-05-25 v1 High Energy Physics - Theory
Abstract
We show that the near-horizon energy introduced by Frodden, Ghosh and Perez arises from the action for general relativity as a horizon boundary term. Spin foam variables are used in the analysis. The result provides a derivation of the horizon boost Hamiltonian introduced by one of us to define the dynamics of the horizon degrees of freedom, and shows that loop gravity provides a realization of the horizon Schrodinger equation proposed by Carlip and Teitelboim.
Keywords
Cite
@article{arxiv.1205.5325,
title = {Horizon energy as the boost boundary term in general relativity and loop gravity},
author = {Eugenio Bianchi and Wolfgang Wieland},
journal= {arXiv preprint arXiv:1205.5325},
year = {2012}
}
Comments
3 pages, 1 figure