Fundamental strings and higher derivative corrections to d-dimensional black holes

Amit Giveon*, Dan Gorbonos, Merav Stern

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We study aspects of d-dimensional black holes with two electric charges, corresponding to fundamental strings with generic momentum and winding on an internal circle. The perturbative α' corrections to such black holes and their gravitational thermodynamics are obtained. The latter are derived using the Euclidean approach and the Wald formula for the entropy. We find that the entropy and the charge/mass ratio of black holes increase in α' for any mass and charges, and in all dimensions.

Original languageAmerican English
Article number12
JournalJournal of High Energy Physics
Volume2010
Issue number2
DOIs
StatePublished - 2010

Keywords

  • Black holes in string theory
  • Superstrings and heterotic strings

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