Comment on "One-way deficit of two qubit X states"

Abstract

We improve the recent method of Wang et. al to calculate exactly the one-way information deficit of any X-state. Analytical formulas of the one-way information deficit are given for several nontrivial regions of the parameters.

8 pages

References in corpus (5)

• Linking Quantum Discord to Entanglement in a Measurement
• Quantum discord bounds the amount of distributed entanglement
• Quantum cost for sending entanglement
• The One-Way Information Deficit and Geometry for a Class of Two-qubit States
• One-Way Deficit of Two Qubit X States

Cited by in corpus (2)

• Quantum discords of tripartite quantum systems
• Computing coherence vectors and correlation matrices, with application to quantum discord quantification