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Heat kernels and thermodynamics in Rindler space
Emparan García de Salazar, Roberto A.
Universitat de Barcelona
We point out that using the heat kernel on a cone to compute the first quantum correction to the entropy of Rindler space does not yield the correct temperature dependence. In order to obtain the physics at arbitrary temperature one must compute the heat kernel in a geometry with different topology (without a conical singularity). This is done in two ways, which are shown to agree with computations performed by other methods. Also, we discuss the ambiguities in the regularization procedure and their physical consequences.
Teoria quàntica de camps
Partícules (Física nuclear)
Equacions d'estat
Quantum field theory
Particles (Nuclear physics)
Equations of state
(c) The American Physical Society, 1995
The American Physical Society

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