Tuesday, October 16, 2012

1210.3654 (Mohammad Abazari et al.)

Phase-controlled atom-photon entanglement in a three-level V-type atomic
system via spontaneously generated coherence
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Mohammad Abazari, Ali Mortezapour, Mohammad Mahmoudi, Mostafa Sahrai
We investigate the dynamical behavior of the atom-photon entanglement in a V-type three-level quantum system using the atomic reduced entropy. It is shown that an atom and photons are entangled at the steady-state; however disentanglement can also be achieved in an especial condition. It is demonstrated that in the presence of quantum interference induced by spontaneous emission, the reduced entropy and the atom-photon entanglement are phase-dependent. Non-stationary solution is also obtained when the quantum interference due to the spontaneous emission is completely included.
View original: http://arxiv.org/abs/1210.3654

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