Non-Markovian behavior for spontaneous decay of a V-type three-level atom with quantum interference

被引：17
|
作者：
Gu, Wen-ju [1 ]
Li, Gao-xiang [1 ]
机构：
[1] Huazhong Normal Univ, Dept Phys, Wuhan 430079, Peoples R China
来源：
PHYSICAL REVIEW A | 2012年 / 85卷 / 01期
关键词：
SPONTANEOUS EMISSION;
D O I：
10.1103/PhysRevA.85.014101
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The non-Markovian behavior of a V-type three-level atom coupled to a zero-temperature bosonic Lorentzian reservoir is investigated. The two decay channels from two upper states to the ground one are connected due to the spontaneously generated interference. When the two upper states are degenerate, the two channels can be decoupled, and an analytical lower bound of the non-Markovian behavior can be obtained by the optimal choice of a pair of initial states. The non-Markovian behavior can be enhanced by the interference.
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页数：4
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