Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-11-21
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, 1 figure, talk given at Sakharov Conference on Physics 2002
Scientific paper
This talk is about results obtained by Kirill Melnikov and myself pertaining to the canonical quantization of a massless scalar field in the presence of a Schwarzschild black hole. After a brief summary of what we did and how we reproduce the familiar Hawking temperature and energy flux, I focus attention on how our discussion differs from other treatments. In particular I show that we can define a system which fakes an equilibrium thermodynamic object whose entropy is given by the $A/4$ (where $A$ is the area of the black hole horizon), but for which the assignment of a classical entropy to the system is incorrect. Finally I briefly discuss a discretized version of the theory which seems to indicate that things work in a surprising way near $r=0$.
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