Can Martinez’s conjecture be extended to string theory?

Jiliang Jing and Shiliang Wang
Phys. Rev. D 65, 064001 – Published 5 February 2002
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Abstract

The universality of Martinez’s conjecture, which states that the quasilocal energy of a black hole at the outer horizon reduces to twice its irreducible mass, or equivalently to A/4π (A is the area of the black hole), is investigated by calculating Brown-York quasilocal energies for stationary black holes in heterotic string theory, e.g., for the stationary Kaluza-Klein black hole, the rotating Cvetič-Youm black hole, the stationary axisymmetric Einstein-Maxwell-dilaton-axion black hole, and the Kerr-Sen black hole. It is shown that Martinez’s conjecture can be extended from general relativity to heterotic string theory since the quasilocal energies of these stationary black holes tend to their Arnowitt-Dener-Misner masses at spatial infinity, and reduce to A/4π at the event horizons.

  • Received 8 August 2001

DOI:https://doi.org/10.1103/PhysRevD.65.064001

©2002 American Physical Society

Authors & Affiliations

Jiliang Jing*

  • Institute of Physics, Hunan Normal University, Changsha, Hunan 410081, People’s Republic of China
  • Department of Astronomy and Applied Physics, University of Science and Technology of China, Hefei, Anhui 230026, People’s Republic of China

Shiliang Wang

  • Department of Applied Physics, Central South University, Changsha, Hunan 410083, People’s Republic of China

  • *Email address: jljing@hunnu.edu.cn

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Vol. 65, Iss. 6 — 15 March 2002

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