Challenges for Emergent Gravity
General Relativity and Quantum Cosmology
2012-07-23 v2 High Energy Physics - Theory
Abstract
The idea of gravity as an "emergent" phenomenon has gained popularity in recent years. I discuss some of the obstacles that any such model must overcome in order to agree with the observational underpinnings of general relativity.
Cite
@article{arxiv.1207.2504,
title = {Challenges for Emergent Gravity},
author = {S. Carlip},
journal= {arXiv preprint arXiv:1207.2504},
year = {2012}
}
Comments
18 pages; v2: added discussion of TDiff invariance, emergence of diffeomorphism invariance, and more references