Discussion of Garfinkle-Horowitz-Strominger Dilaton Black Hole Entropy

Details Discussion of Garfinkle-Horowitz-Strominger Dilaton Black Hole Entropy Discussion of Garfinkle-Horowitz-Strominger Dilaton Black Hole Entropy

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cotph..52..189w&link_type=abstract

Communications in Theoretical Physics, Volume 52, Issue 1, pp. 189-192 (2009).

Physics

Scientific paper

We discuss the entropy of the Garfinkle-Horowitz-Strominger dilaton black hole by using the thin film brickwall model, and the entropy obtained is proportional to the horizon area of the black hole confirming the Bekenstein-Hawking's area-entropy formula. Then, by comparing with the original brick-wall method, we find that the result obtained by the thin film method is more reasonable avoiding some drawbacks, such as little mass approximation, neglecting logarithm term, and taking the term L3 as a contribution of the vacuum surrounding the black hole, and the physical meaning of the entropy is more clearer.

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