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arXiv 1604.00124quant-ph
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X-态的量子不协调作为一元函数的优化

Quantum discord of X-states as optimization of one variable function

Naihuan Jing, Bing Yu

摘要:

对于任意两个量子比特的X态,我们将量子不协调问题完全归结为某个单变量函数的优化问题。在量子态的五参数空间的几个非平凡区域上,得到了量子不和谐的精确解。通过迭代算法确定例外解。

英文摘要:

We solve the quantum discord completely as an optimization of certain one variable function for arbitrary two qubit X state. Exact solutions of the quantum discord are obtained for several nontrivial regions of the five parametric space for the quantum state. Exceptional solutions are determined via an iterative algorithm.

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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