Geometric phase for an accelerated two-level atom and the Unruh effect

Details Geometric phase for an accelerated two-level atom and the Unruh effect Geometric phase for an accelerated two-level atom and the Unruh effect

2012-03-27

arxiv.org/abs/1203.5869v1

Phys. Rev. A 85, 032105 (2012)

Physics

Quantum Physics

12 pages, no figures

Scientific paper

10.1103/PhysRevA.85.032105

We study, in the framework of open quantum systems, the geometric phase acquired by a uniformly accelerated two-level atom undergoing nonunitary evolution due to its coupling to a bath of fluctuating vacuum electromagnetic fields in the multipolar scheme. We find that the phase variation due to the acceleration can be in principle observed via atomic interferometry between the accelerated atom and the inertial one, thus providing an evidence of the Unruh effect.

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