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

Published 12 Mar 2016 in quant-ph | (1603.03846v1)

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.

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