Prog. Theor. Phys. Vol. 127 No. 3 (2012) pp. 433-452
Response of Uniformly Accelerated Particle Detectors in the Presence of Co-Accelerated Mirrors
Faculty of Physics, West University of Timişoara, V. Pârvan 4,
300223, Timişoara, Romania
(Received December 27, 2011)
We obtain the transition rates for an Unruh-DeWitt particle
detector which uniformly accelerates in the presence of a perfectly
reflecting spherical mirror that contracts and expands with constant
acceleration. We also consider the case when the detector
accelerates between two such mirrors, as well as the corresponding
reduced configurations in a two dimensional Minkowski space.
The mirror and detector accelerations are chosen such that the
transition rates are independent of time. In all cases we find that the
response respects the detailed balance condition for the Unruh-Davies
temperature associated to the detector's acceleration. An interesting
fact is that for the detector between the mirrors the transition
spectrum in two dimensions is discrete, while in
four dimensions it is continuous.
Subject Index :
DOI : 10.1143/PTP.127.433
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