Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2006-06-11
Gen.Rel.Grav.39:501-509,2007
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
9 Pages, No Figures
Scientific paper
10.1007/s10714-007-0397-3
In this paper we consider a model universe with large extra dimensions to obtain a modified black hole entropy-area relation. We use the generalized uncertainty principle to find a relation between the number of spacetime dimensions and the presence or vanishing of logarithmic prefactor in the black hole entropy-area relation. Our calculations are restricted to the microcanonical ensembles and we show that in the modified entropy-area relation, the microcanonical logarithmic prefactor appears only when spacetime has an even number of dimensions.
Nozari Kourosh
Sefiedgar A. S.
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