Entanglement control by common heat bath

被引：0
|
作者：
Ali, Md Manirul [1 ]
Ghosh, Sibasish [2 ]
机构：
[1] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
[2] Inst Math Sci, Madras 600113, Tamil Nadu, India
来源：
SOLID-STATE QUANTUM COMPUTING, PROCEEDINGS | 2008年 / 1074卷
关键词：
D O I：
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中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We solve the time evolution for roost general density matrix: for 2-qubits under the interaction with a common heat bath and investigate the time evolution for a particularly interesting entangled state where we provide a scheme to enhance or concentrate entanglement using common Beat bath interaction. The correspondence between the entanglement dynamics and energy exchange of the system with the environment, is discussed under that situation. Entanglement sudden death, decoherence free: entanglement and entanglement enhancement are shown to be dependent on the energy exchange of the system with the environment.
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页码：82 / +
页数：2
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