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理论物理通讯:英文版

Entanglement of Non-symmetric Two Charge Qubits Induced by a Damped Cavity

Li, Zhao-Xin, Jun-Gang, Juanjuan, Cui, Huiping

Published Jan 1, 2007• 0 citations
OpenAlex

Abstract

二费用 qubits 正在被联合到一个抑制的洞,不同 couplingsare 考虑了。在二 qubits 之间的纠纷的动态进化被表明经分解或数字地。与洞驱散,在二 qubits 之间的稳定的纠纷能被完成,这被发现。开始处于可分离、很混合的状态的二 qubits 能容易被导致到一个稳定的纠缠的状态,并且 thecouplings 的相对差别能被用来提高在二费用 qubits 之间的稳定的纠纷。

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二费用 qubits 正在被联合到一个抑制的洞,不同 couplingsare 考虑了。在二 qubits 之间的纠纷的动态进化被表明经分解或数字地。与洞驱散,在二 qubits 之间的稳定的纠纷能被完成,这被发现。开始处于可分离、很混合的状态的二 qubits 能容易被导致到一个稳定的纠缠的状态,并且 thecouplings 的相对差别能被用来提高在二费用 qubits 之间的稳定的纠纷。
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Two charge qubits being coupled to a damped cavity with different couplings are considered. The dynamical evolution of the entanglement between the two qubits is demonstrated analytically or numerically. It is found that with the cavity dissipation, the steady entanglement between the two qubits can be achieved. The two qubits being initially in the separable and most mixed state can be easily induced to a steady entangled state, and the relative difference of the couplings can be used to enhance the steady entanglement between the two charge qubits.