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Noncritical superstring-black hole transition

Andrei Parnachev and David A. Sahakyan

  • Department of Physics, Rutgers University, Piscataway, New Jersey 08854-8019, USA and Kavli Institute for Theoretical Physics, University of California, Santa Barbara, California 93106, USA

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Phys. Rev. D 73, 086008 – Published 28 April, 2006

DOI: https://doi.org/10.1103/PhysRevD.73.086008

Abstract

An interesting case of string/black hole transition occurs in two-dimensional noncritical string theory dressed with a compact CFT. In these models the high energy densities of states of perturbative strings and black holes have the same leading behavior when the Hawking temperature of the black hole is equal to the Hagedorn temperature of perturbative strings. We compare the first subleading terms in the black hole and closed string entropies in this setting and argue that the entropy interpolates between these expressions as the energy is varied. We compute the subleading correction to the black hole entropy for a specific simple model.

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Phys. Rev. D 73, 086008– Published 28 April, 2006
  • Received 20 December 2005

© 2006 American Physical Society

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