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arXiv 1502.03753quant-phcond-mat.mes-hall
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动力学卡西米尔效应中的量子不和谐

Quantum discord in the Dynamical Casimir Effect

Carlos Sabín, Ivette Fuentes, Göran Johansson

摘要:

本文分析了超导量子干涉器件调制超导波导中动态Casimir效应引起的量子不和谐。我们表明,对于现实的实验参数,量子不和谐存在的条件比之前考虑的量子纠缠或非经典性的条件要求要低。动态Casimir效应产生的非零无序态和零纠缠态是量子密码学的重要资源。

英文摘要:

We analyse the generation of quantum discord by means of the dynamical Casimir effect in superconducting waveguides modulated by superconducting quantum interferometric devices. We show that for realistic experimental parameters, the conditions for the existence of quantum discord are less demanding than the previously considered for quantum entanglement or non-classicality. The states with non-zero discord and zero entanglement generated by the dynamical Casimir effect are a useful resource for quantum cryptography.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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