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Avoiding the Trans-Planckian Problem in Black Hole Physics

AuthorsBarceló, Carlos ; Barbado, Luis C. ; Garay, Luis Javier ; Jannes, Gil
KeywordsGlobal Analysis and Analysis on Manifolds
Mathematical Methods in Physics
Differential Geometry
Issue Date2014
CitationProgress in Mathematical Relativity, Gravitation and Cosmology Springer, Proceedings in Mathematics & Statistics Volume 60: 129-133 (2014)
AbstractWe describe how the avoidance of the trans-Planckian problem of Hawking radiation can be used as a guiding principle in searching for a compelling scenario for the evaporation of black holes or black-hole-like objects. We argue that there exist only three possible scenarios, depending on whether the classical notion of long-lived horizon is preserved by high-energy physics and on whether the dark and compact astrophysical objects that we observe have long-lived horizons in the first place. Some specific findings along the way are (a) that a theory with high-energy superluminal signaling and a long-lived trapping horizon would be extremely unstable in astrophysical terms and (b) that stellar pulsations of objects hovering right outside, but extremely close to their gravitational radius, can result in a mechanism for Hawking emission.
DescriptionParte II, 5 pags.
Identifiersdoi: 10.1007/978-3-642-40157-2_10
issn: 2194-1009
isbn: 978-3-642-40156-5
Appears in Collections:(IAA) Libros y partes de libros
(CFMAC-IEM) Libros y partes de libros
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