Horizon thermodynamics and spacetime mappings

Valerio Faraoni and Vincenzo Vitagliano
Phys. Rev. D 89, 064015 – Published 6 March 2014

Abstract

When black holes are dynamical, event horizons are replaced by apparent and trapping horizons. Conformal and Kerr–Schild transformations are widely used in relation to dynamical black holes, and we study the behavior under such transformations of quantities related to the thermodynamics of these horizons, such as the Misner–Sharp–Hernandez mass (internal energy), the Kodama vector, surface gravity, and temperature. The transformation properties are not those expected on the basis of naive arguments.

  • Received 13 January 2014

DOI:https://doi.org/10.1103/PhysRevD.89.064015

© 2014 American Physical Society

Authors & Affiliations

Valerio Faraoni*

  • Physics Department and STAR Research Cluster, Bishop’s University, Sherbrooke, Québec, Canada J1M 1Z7

Vincenzo Vitagliano

  • CENTRA, Instituto Superior Técnico, Universidade Técnica de Lisboa-UTL, Avenida Rovisco Pais 1, 1049 Lisboa, Portugal

  • *vfaraoni@ubishops.ca
  • vincenzo.vitagliano@ist.utl.pt

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Issue

Vol. 89, Iss. 6 — 15 March 2014

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