Loop-corrected entropy of near-extremal dilatonic p-branes uri icon

abstract

  • It has recently been shown that for certain classical non-dilatonic p-branes, the entropy and temperature satisfy the ideal-gas relation S Tp in the near-extremal regime. We extend these results to cases where the dilaton is non-vanishing, but nevertheless remains finite on the horizon in the extremal limit, showing that the ideal-gas relation is again satisfied. At the classical level, however, this relation does break down if the dilaton diverges on the horizon. We argue that such a divergence indicates the breakdown of the validity of the classical approximation, and that by taking string and worldsheet loop corrections into account, the validity of the entropy/temperature relation may be extended to include these cases. This opens up the possibility of giving a microscopic interpretation of the entropy for all near-extremal p-branes.

published proceedings

  • PHYSICS LETTERS B

author list (cited authors)

  • Lu, H., Mukherji, S., Pope, C. N., & Rahmfeld, J.

citation count

  • 8

complete list of authors

  • Lu, H||Mukherji, S||Pope, CN||Rahmfeld, J

publication date

  • December 1996