Local free-fall Temperature of GMGHS Black Holes

Abstract

We obtain a (5+1)-dimensional global flat embedding of the Gibbons-Maeda-Garfinkle-Horowitz-Strominger spacetime in Einstein frame, and a (5+2)-dimensional global flat embedding in string frame. We show that the local free-fall temperatures for freely falling observers in each frames are finite at the event horizons, while the local temperatures for fiducial observers are divergent. We also observe that the local free-fall temperatures differ between the two frames.

18 pages, 2 figures, version to appear in PRD

References in corpus (2)

• Thermodynamics of charged topological dilaton black holes
• Hawking temperature for constant curvature black bole and its analogue in de Sitter space

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