GENERAL

Remark on the One-Way Quantum Deficit for General Two-Qubit States

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2013 Chinese Physical Society and IOP Publishing Ltd
, , Citation Shao Lian-He et al 2013 Commun. Theor. Phys. 59 285 DOI 10.1088/0253-6102/59/3/07

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1 College of Computer Science, Shaanxi Normal University, Xi'an 710062, China

Dates

  1. Received 7 September 2012
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0253-6102/59/3/285

Abstract

We reinvestigate the one-way quantum deficit, which is a measure of quantum correlation emerging from a thermodynamical approach. We give a tight upper bound of the one-way quantum deficit for general mixed states, and give a sufficient condition for this bound. Finally, we discuss a universal way to evaluate the one-way quantum deficit for general two-qubit states.

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