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Entanglement of an Atom and Its Spontaneous Emission Fields via Spontaneously Generated Coherence
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نویسنده
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Sahrai M. ,Noshad H. ,Mahmoudi M.
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منبع
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journal of sciences islamic republic of iran - 2011 - دوره : 22 - شماره : 2 - صفحه:171 -176
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چکیده
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The entanglement between a ?-type three-level atom and its spontaneous emission fields is investigated. the effect of spontaneously generated coherence (sgc) on entanglement between the atom and its spontaneous emission fields is then discussed. we find that in the presence of sgc the entanglement between the atom and its spontaneous emission fields is completely phase dependent, while in absence of this coherence the phase dependence of the entanglement disappears. moreover, the degree of entanglement dramatically changes by the coherent superposition of the atomic states
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کلیدواژه
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Quantum entanglement; Quantum interference; Quantum entropy
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آدرس
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university of tabriz, Research Institute for Applied Physics and Astronomy, ایران, university of tabriz, Research Institute for Applied Physics and Astronomy, ایران, zanjan university, Department of Physics, ایران
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Authors
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