Abstract
Taking into account the effect of the generalized uncertainty principle on the generalized black hole entropy and tacking the thin film brick-wall model, we calculate the entropy of the quantum scalar field in generalized static black hole. The Bekenstein–Hawking entropies of all well-known static black holes are obtained. The entropy of 2-D membrane just at the event horizon of static black hole is also calculated, and the result of the black hole entropy proportional to the event horizon area can be obtained more easily and generally. This discussion shows that black hole entropy is just identified with the entropy of the quantum field on the event horizon. The difference from the original brick-wall model is that the present result is convergent without any cutoff and the little mass approximation is removed. With residue theorem, the integral difficulty in the calculation of black hole entropy is overcome.
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Liu, CZ. Black Hole Entropies of the Thin Film Model and the Membrane Model Without Cutoffs. Int J Theor Phys 44, 567–579 (2005). https://doi.org/10.1007/s10773-005-3983-8
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DOI: https://doi.org/10.1007/s10773-005-3983-8