When conceptual worlds collide: The generalized uncertainty principle and the Bekenstein-Hawking entropy

A. J. M. Medved and Elias C. Vagenas
Phys. Rev. D 70, 124021 – Published 16 December 2004

Abstract

Recently, there has been much attention devoted to resolving the quantum corrections to the Bekenstein-Hawking (black hole) entropy. In particular, many researchers have expressed a vested interest in fixing the coefficient of the subleading logarithmic term. In the current paper, we are able to make some degree of progress in this direction by utilizing the generalized uncertainty principle (GUP). Notably, the GUP reduces to the conventional Heisenberg relation in situations of weak gravity but transcends it when gravitational effects can no longer be ignored. Ultimately, we formulate the quantum-corrected entropy in terms of an expansion that is consistent with all previous findings. Moreover, we demonstrate that the logarithmic prefactor (indeed, any coefficient of the expansion) can be expressed in terms of a single parameter that should be determinable via the fundamental theory.

  • Received 1 November 2004

DOI:https://doi.org/10.1103/PhysRevD.70.124021

©2004 American Physical Society

Authors & Affiliations

A. J. M. Medved1,* and Elias C. Vagenas2,†

  • 1School of Mathematics, Statistics and Computer Science, Victoria University of Wellington, P.O. Box 600, Wellington, New Zealand
  • 2Departament d’Estructura i Constituents de la Matèria and CER for Astrophysics, Particle Physics and Cosmology,Universitat de Barcelona, Avinguda Diagonal 647 E-08028, Barcelona, Spain

  • *E-Mail: joey.medved@mcs.vuw.ac.nz
  • E-Mail: evagenas@ecm.ub.es

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Issue

Vol. 70, Iss. 12 — 15 December 2004

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