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Artículo

Complete Classification of Four-Dimensional Black Hole and Membrane Solutions in IR-modified Hořava Gravity

Argüelles, Carlos RaúlIcon ; Grandi, Nicolás EstebanIcon ; Park, Mu In
Fecha de publicación: 09/2015
Editorial: Springer
Revista: Journal of High Energy Physics
ISSN: 1029-8479
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Físicas

Resumen

Hořava gravity has been proposed as a renormalizable, higher-derivative gravity without ghost problems, by considering different scaling dimensions for space and time. In the non-relativistic higher-derivative generalization of Einstein gravity, the meaning and physical properties of black hole and membrane space-times are quite different from the conventional ones. Here, we study the singularity and horizon structures of such geometries in IR-modified Hořava gravity, where the so-called “detailed balance” condition is softly broken in IR. We classify all the viable static solutions without naked singularities and study its close connection to non-singular cosmology solutions. We find that, in addition to the usual point-like singularity at r = 0, there exists a “surface-like” curvature singularity at finite r = rS whichisthecuttingedgeofthereal-valuedspace-time. Thedegreeofdivergenceof such singularities is milder than those of general relativity, and the Hawking temperature of the horizons diverges when they coincide with the singularities. As a byproduct we find that, in addition to the usual “asymptotic limit”, a consistent flow of coupling constants, that we called “GR flow limit”, is needed in order to recover general relativity in the IR.
Palabras clave: BLACK HOLES , MODELS OF QUANTUM GRAVITY , SPACETIME SINGULARITIES
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/181459
URL: http://arxiv.org/pdf/1508.04380v2
DOI: http://dx.doi.org/10.1007/JHEP10(2015)100
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Articulos(IFLP)
Articulos de INST.DE FISICA LA PLATA
Citación
Argüelles, Carlos Raúl; Grandi, Nicolás Esteban; Park, Mu In; Complete Classification of Four-Dimensional Black Hole and Membrane Solutions in IR-modified Hořava Gravity; Springer; Journal of High Energy Physics; 5; 100; 9-2015; 1-22
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