most citedAnalytical solutions and criteria for the quantum discord of two-qubit X-states

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quant-ph2015★ 32 cited

Analytical solutions and criteria for the quantum discord of two-qubit X-states

A. Maldonado-Trapp, Anzi Hu, Luis Roa

Except for a few special states, computing quantum discord remains a complicated optimization process. In this paper we present analytical solutions for computing quantum discord o…