Regular black holes with Λ> 0 and its evolution in Lovelock gravity

Milko Estrada, Rodrigo Aros

Resultado de la investigación: Article

1 Cita (Scopus)

Resumen

In this work it is shown that the thermodynamics of regular black holes with a cosmological horizon, which are solutions of Lovelock gravity, determines that they must evolve either into a state where the black hole and cosmological horizons have reached thermal equilibrium or into an extreme black hole geometry where the black hole and cosmological horizons have merged. This differs from the behavior of Schwarzschild de Sitter geometry which evolves into a de Sitter space, the ground state of the space of solutions. This occurs due to a phase transition of the heat capacity of the black hole horizon. To perform that analysis it is shown that at each horizon a local first law of thermodynamics can be obtained from the gravitational equations.

Idioma originalEnglish
Número de artículo810
PublicaciónEuropean Physical Journal C
Volumen79
N.º10
DOI
EstadoPublished - 1 oct 2019

Huella dactilar

horizon
Gravitation
Thermodynamics
gravitation
Geometry
Ground state
Specific heat
Phase transitions
thermodynamics
specific heat
ground state
geometry
Hot Temperature

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

Citar esto

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Regular black holes with Λ> 0 and its evolution in Lovelock gravity. / Estrada, Milko; Aros, Rodrigo.

En: European Physical Journal C, Vol. 79, N.º 10, 810, 01.10.2019.

Resultado de la investigación: Article

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AB - In this work it is shown that the thermodynamics of regular black holes with a cosmological horizon, which are solutions of Lovelock gravity, determines that they must evolve either into a state where the black hole and cosmological horizons have reached thermal equilibrium or into an extreme black hole geometry where the black hole and cosmological horizons have merged. This differs from the behavior of Schwarzschild de Sitter geometry which evolves into a de Sitter space, the ground state of the space of solutions. This occurs due to a phase transition of the heat capacity of the black hole horizon. To perform that analysis it is shown that at each horizon a local first law of thermodynamics can be obtained from the gravitational equations.

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