کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
979732 | 933386 | 2006 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Entanglement between a ΛΛ-type three-level atom and its spontaneous emission fields
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
فیزیک ریاضی
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چکیده انگلیسی
The entanglement between a ΛΛ-type three-levels atom and its spontaneous emission field is studied by using the quantum entropy. The results show that, there is a steady state entanglement between the ΛΛ-type three-level atom and its spontaneous emission field. The entanglement between the ΛΛ-type three-level atom and its spontaneous emission fields decreases due to the coherent superposition of the atomic levels. The spontaneous emission process of the atom is one of the atom is entangled with its spontaneous emission fields. For the two fields related to the two transition in the ΛΛ-type three-level atom, we have shown that they are classically correlated, but there is no quantum entanglement between the two fields.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica A: Statistical Mechanics and its Applications - Volume 369, Issue 2, 15 September 2006, Pages 475–483
Journal: Physica A: Statistical Mechanics and its Applications - Volume 369, Issue 2, 15 September 2006, Pages 475–483
نویسندگان
Mao-Fa Fang, Shi-Yao Zhu,