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Statistical interpretation of the Bekenstein entropy for systems with a stretched horizon
1Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA.
Physical Review Letters
|June 13, 2002
Abstract:
For the two-charge extremal holes in string theory we show that the Bekenstein entropy obtained from the area of the stretched horizon has a statistical interpretation as a "coarse graining entropy": different microstates give geometries that differ near r = 0, and the stretched horizon cuts off the metric at r = b where these geometries start to differ.