On black hole thermodynamics of 2-D type 0A

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Published 8 March 2004 • Published under licence by IOP Publishing Ltd
, , Citation Joshua L. Davis et al JHEP03(2004)007 DOI 10.1088/1126-6708/2004/03/007

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Author affiliations

1 Michigan Center for Theoretical Physics, Randall Laboratory of Physics, The University of Michigan, Ann Arbor, MI 48109-1120, U.S.A.

2 Department of Physics, Princeton University, Princeton, NJ 08544, U.S.A.

Dates

  1. Received 25 February 2004
  2. Accepted 2 March 2004
  3. Published

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Abstract

We present a detailed analysis of the thermodynamics of two dimensional black hole solutions to type 0A with q units of electric and magnetic flux. We compute the free energy and derived quantities such as entropy and mass for an arbitrary non-extremal black hole. The free energy is non-vanishing, in contrast to the case of dilatonic 2-d black holes without electric and magnetic fluxes. The entropy of the extremal black holes is obtained, and we find it to be proportional to q2, the square of the RR flux. We compare these thermodynamics quantities with those from candidate matrix model duals.

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10.1088/1126-6708/2004/03/007