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Entanglement of an Atom and Its Spontaneous Emission Fields via Spontaneously Generated Coherence | ||
| Journal of Sciences, Islamic Republic of Iran | ||
| مقاله 11، دوره 22، شماره 2، شهریور 2011، صفحه 171-176 اصل مقاله (460.24 K) | ||
| نویسنده | ||
| M. Sahrai | ||
| Research Institute for Applied Physics and Astronomy, University of Tabriz | ||
| چکیده | ||
| 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. | ||
| کلیدواژه‌ها | ||
| Quantum entanglement؛ Quantum entropy؛ Quantum interference | ||
| عنوان مقاله [English] | ||
| Entanglement of an Atom and Its Spontaneous Emission Fields via Spontaneously Generated Coherence | ||
| نویسندگان [English] | ||
| M. Sahrai | ||
| چکیده [English] | ||
| 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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