中国物理B ›› 2011, Vol. 20 ›› Issue (9): 90303-090303.doi: 10.1088/1674-1056/20/9/090303
Abdel-Baset A. Mohamed
收稿日期:
2011-03-04
修回日期:
2011-04-14
出版日期:
2011-09-15
发布日期:
2011-09-15
Abdel-Baset A. Mohamed†
Received:
2011-03-04
Revised:
2011-04-14
Online:
2011-09-15
Published:
2011-09-15
摘要: The exact solution of the master equation for the case of a high-Q cavity with atomic decay is found. We use the negativity of the Wigner function (WF) as an indicator of nonclassicality. It is found that the negative values of the field WF are very sensitive to any change in the damping parameter. The atomic spontaneous decay leads to the simultaneous disappearance of both entanglement and nonclassicality of quantum states. Moreover, the purity of the field states is completely lost.
中图分类号: (Entanglement and quantum nonlocality)
Abdel-Baset A. Mohamed. The effect of atomic spontaneous decay on the dynamics of the negativity of the Wigner function of radiation[J]. 中国物理B, 2011, 20(9): 90303-090303.
Abdel-Baset A. Mohamed . The effect of atomic spontaneous decay on the dynamics of the negativity of the Wigner function of radiation[J]. Chin. Phys. B, 2011, 20(9): 90303-090303.
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