Entanglement generation in uniformly accelerating atoms: Reexamination of the Unruh effect

Details Entanglement generation in uniformly accelerating atoms: Reexamination of the Unruh effect Entanglement generation in uniformly accelerating atoms: Reexamination of the Unruh effect

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004phrva..70a2112b&link_type=abstract

Physical Review A, vol. 70, Issue 1, id. 012112

Mathematics

Probability

16

Decoherence, Open Systems, Quantum Statistical Methods, Entanglement Production, Characterization, And Manipulation, Quantum Field Theory In Curved Spacetime

Scientific paper

The master equation describing the completely positive time evolution of a uniformly accelerated two-level system in weak interaction with a scalar field in the Minkowski vacuum is derived and explicitly solved. The moving system is found to be subjected to dissipation that drives its density matrix to a purely thermal equilibrium state, exhibiting a nonvanishing probability of spontaneous excitation, this phenomenon being usually referred to as the Unruh effect. Remarkably, when the uniformly accelerating system is composed by two, independent two-level atoms, the corresponding asymptotic, equilibrium state turns out to be entangled.

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