2012/10/12 by Mohammad Abazari, Ali Mortezapour, Mohammad Mahmoudi +1 · 1 citation
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.3390/e13091541
published as Entropy 2011, 13, 1541-1554 · 16 pages, 7 figures
arxiv created 2012/10/12 · arxiv updated 2012/10/16
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.