Geometric aspects of Extremal Kerr black hole entropy
General Relativity and Quantum Cosmology
2016-09-23 v1
Abstract
Extreme Black holes are an important theoretical laboratory for exploring the nature of entropy. We suggest that this unusual nature of the extremal limit could explain the entropy of extremal Kerr black holes. The time-independence of the extremal black hole, the zero surface gravity, the zero entropy and the absence of a bifurcate Killing horizon are all related properties that define and reduce to one single unique feature of the extremal Kerr spacetime. We suggest the presence of a true geometric discontinuity as the underlying cause of a vanishing entropy.
Keywords
Cite
@article{arxiv.1511.00594,
title = {Geometric aspects of Extremal Kerr black hole entropy},
author = {E M Howard},
journal= {arXiv preprint arXiv:1511.00594},
year = {2016}
}
Comments
10 pages, published in Journal of Modern Physics, 2013, 4, 357-363. arXiv admin note: text overlap with arXiv:hep-th/9608162, arXiv:1201.4017 by other authors