3 papers
hep-th1998
Reply to comment by Zaslavskii on extremal black hole action
A. Ghosh, P. Mitra
It is shown that Zaslavskii's misunderstanding of our published proof of the irrelevance of all extremal black hole configurations (whether with equal charge and mass or not) rests…
gr-qc1995
Temperatures of extremal black holes
A. Ghosh, P. Mitra
The temperature of an extremal Reissner - Nordstrom black hole is not restricted by the requirement of absence of a conical singularity. It is demonstrated how Kruskal-like coordin…
gr-qc1995
Black hole entropy: departures from area law
P. Mitra
The thermodynamic and euclidean functional integral approaches to black hole entropy are discussed. The existence of some freedom in the definition of the entropy is pointed out an…