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  Conformal Killing horizons and their thermodynamics

Nielsen, A. B., & Shoom, A. A. (2018). Conformal Killing horizons and their thermodynamics. Classical and Quantum Gravity, 35(10): 105008. doi:10.1088/1361-6382/aab505.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-4270-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F7D2-A
Genre: Journal Article

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1708.08015.pdf (Preprint), 139KB
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 Creators:
Nielsen, Alex B.1, Author              
Shoom, Andrey A., Author
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1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: Certain dynamical black hole solutions can be mapped to static spacetimes by conformal metric transformations. This mapping provides a physical link between the conformal Killing horizon of the dynamical black hole and a Killing horizon of the static spacetime. We show how this conformal relation can be used to derive thermodynamic properties for the dynamical black holes. Although these horizons are defined quasi-locally and can be located by local experiments, they are distinct from other popular notions of quasi-local horizons such as apparent horizons. Thus in the dynamical Vaidya spacetime describing constant accretion of null dust, the conformal Killing horizon, which is null by construction, is the natural horizon to describe the black hole.

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 Dates: 2017-08-262018
 Publication Status: Published in print
 Pages: 5 pages
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 Rev. Method: -
 Identifiers: arXiv: 1708.08015
DOI: 10.1088/1361-6382/aab505
URI: http://arxiv.org/abs/1708.08015
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 35 (10) Sequence Number: 105008 Start / End Page: - Identifier: -