Non-local dynamics of Bell states in separate cavities

Details Non-local dynamics of Bell states in separate cavities Non-local dynamics of Bell states in separate cavities

2007-11-13

arxiv.org/abs/0711.1923v1

Physics

Quantum Physics

Physics Letters A, accepted

Scientific paper

10.1016/j.physleta.2007.11.018

We present non-local dynamics of Bell states in separate cavities. It is demonstrated that (i) the entanglement damping speed will saturate when the cavity leakage rate $\gamma\geq 0.4$; (ii) the synchronism relationship between the fidelity and the concurrence depends on the initial state; (iii) if the initial state is $1/\sqrt{2}(|01>+|10>)$, the dynamics of entropy is opposite to that of fidelity.

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