Fluctuations of the Unruh Temperature

Details Fluctuations of the Unruh Temperature Fluctuations of the Unruh Temperature

1994-08-11

arxiv.org/abs/gr-qc/9408016v1

Mod.Phys.Lett.A10:1745-1754,1995

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LATEX, 12 pages + 2 figures (available upon request) MIT-CTP 2342

Scientific paper

10.1142/S0217732395001861

Using the influence functional formalism, the problem of an accelerating detector in the presence of a scalar field in its ground state is considered in Minkowski space. As is known since the work of Unruh, to a quantum mechanical detector following a definite, classical acceleration, the field appears to be thermally excited. We relax the requirement of perfect classicality for the trajectory and substitute it with one of {\it derived} classicality through the criteria of decoherence. The ensuing fluctuations in temperature are then related with the time and the amplitude of excitation in the detector's internal degree of freedom.

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