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Paper   IPM / Particles / 17676
School of Particles and Accelerator
  Title:   Correlation of horizons and black hole thermodynamics
  Author(s): 
1.  S.S Hashemi
2.  Sanam Azarnia
  Status:   Published
  Journal: Mod. Phys. Lett. A
  Vol.:  39
  Year:  2024
  Supported by:  IPM
  Abstract:
For black holes with more than one horizon, the existence of a global temperature is not fully understood. This can affect the thermodynamics of these black holes to be unclear. In this paper, using the method of quantum tunneling, we find a global temperature for asymptotically AdS multi-horizon black holes appeared in three dimensional quasitopological gravities given by T_H=k_eff/2Ï?, in which the effective surface gravity is related to the surface gravity of each horizon. We also find a global temperature for the asymptotically warped AdS3 black holes, having the same expression as the AdS multi-horizon black holes. In all of the cases the global temperature differs from the conventional Hawking temperature.

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