远距离超导量子干涉装置环的纠缠

Journal of optics. B, Quantum and semiclassical optics : journal of the European Optical Society Pub Date : 2005-11-22 DOI:10.1088/1464-4266/7/12/039

Z. Zukarnain, A. Konstadopoulou, A. Vourdas, R. Migliore, A. Messina

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引用次数: 1

摘要

我们考虑两个遥远的介观SQUID环，近似为两能级系统，与双模微波相互作用。利用系统的哈密顿量来计算系统的时间演化。研究了t = 0时微波处于可分离态(经典相关态)或纠缠态(量子力学相关态)的情况。结果表明，两个SQUID环的约瑟夫森流也具有相关性。

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Entanglement of distant superconducting quantum interference device rings

We consider two distant mesoscopic SQUID rings, approximated with two-level systems, interacting with two-mode microwaves. The Hamiltonian of the system is used to calculate its time evolution. The cases with microwaves which at t = 0 are in separable states (classically correlated) or entangled states (quantum mechanically correlated) are studied. It is shown that the Josephson currents in the two SQUID rings are also correlated.

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Journal of optics. B, Quantum and semiclassical optics : journal of the European Optical Society

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