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  Conformally rescaled spacetimes and Hawking radiation

Nielsen, A. B., & Firouzjaee, J. T. (2013). Conformally rescaled spacetimes and Hawking radiation. General Relativity and Gravitation, 45(9), 1815-1838. doi:10.1007/s10714-013-1560-7.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-13A2-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-13A3-8
Genre: Journal Article

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1207.0064.pdf (Preprint), 202KB
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 Creators:
Nielsen, Alex B.1, Author              
Firouzjaee, J. T., Author
Affiliations:
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,High Energy Physics - Theory, hep-th
 Abstract: We study various derivations of Hawking radiation in conformally rescaled metrics. We focus on two important properties, the location of the horizon under a conformal transformation and its associated temperature. We find that the production of Hawking radiation cannot be associated in all cases to the trapping horizon because its location is not invariant under a conformal transformation. We also find evidence that the temperature of the Hawking radiation should transform simply under a conformal transformation, being invariant for asymptotic observers in the limit that the conformal transformation factor is unity at their location.

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 Dates: 2012-06-302012-09-102013
 Publication Status: Published in print
 Pages: 22 pages, version submitted to journal
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1207.0064
DOI: 10.1007/s10714-013-1560-7
 Degree: -

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Title: General Relativity and Gravitation
Source Genre: Journal
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Publ. Info: Dordrecht, etc. : Kluwer Academic Publishers [etc.]
Pages: - Volume / Issue: 45 (9) Sequence Number: - Start / End Page: 1815 - 1838 Identifier: ISSN: 0001-7701
CoNE: /journals/resource/954925263179