One-way Quantum Deficit and Decoherence for Two-qubit X States

Biao-Liang Ye, Yao-Kun Wang, and Shao-Ming Fei

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Submission date: 11. Feb. 2016
Pages: 13
published in: International journal of theoretical physics, 55 (2016) 4, p. 2237-2246 
DOI number (of the published article): 10.1007/s10773-015-2862-1
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Abstract:
We study one-way quantum deficit of two-qubit X states systematically from analytical derivations. An effective approach to compute one-way quantum deficit of two-qubit X states has been provided. Analytical results are presented as for detailed examples. Moreover, we demonstrate the decoherence of one-way quantum deficit under phase damping channel.