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THERMODYNAMICAL PHASES OF A REGULAR SAdS BH

ANAIS SMAILAGIC
•
SPALLUCCI, EURO
2013
  • journal article

Periodico
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
Abstract
This paper studies the thermodynamical stability of regular BHs in AdS5 background. We investigate off-shell free energy of the system as a function of temperature for different values of a “coupling constant” L = 4θ/l2, where the cosmological constant is Λ = −3/l2 and √ θ is “minimal length.” The parameter L admits a critical value, Linf = 0.2, corresponding to the appearance of an inflexion point in the Hawking temperature. In the weak-coupling regime L < Linf , there are first-order phase transitions at different temperatures. Unlike the Hawking–Page case, at temperature 0 ≤ T ≤ Tmin the ground state is populated by “cold” near-extremal BHs instead of a pure radiation. On the other hand, for L > Linf , only large, thermodynamically stable BHs exist.
DOI
10.1142/S0218271813500107
WOS
WOS:000316908000004
Archivio
http://hdl.handle.net/11368/2662513
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84875044682
Diritti
metadata only access
Soggetti
  • Black Holes

Web of Science© citazioni
25
Data di acquisizione
Mar 20, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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