Entangling two mode thermal fields through quantum erasing

Details Entangling two mode thermal fields through quantum erasing Entangling two mode thermal fields through quantum erasing

2004-04-24

arxiv.org/abs/quant-ph/0404140v2

Physics Letters A 337 (4-6): 321 (2005)

Physics

Quantum Physics

11 pages, 6 figures, a minor mistake is corrected

Scientific paper

10.1016/j.physleta.2005.02.003

We investigate a possible scheme for entangling two mode thermal fields through the quantum erasing process, in which an atom is coupled with two mode fields via the interaction governed by the two-mode two-photon Jaynes-Cummings model. The influence of phase decoherence on the entanglement of two mode fields is discussed. It is found that quantum erasing process can transfer part of entanglement between the atom and fields to two mode fields initially in the thermal states. The entanglement achieved by fields heavily depends on their initial temperature and the detuning. The entanglement of stationary state is also investigated.

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