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quant-ph2018
Measuring quantum discord using the most distinguishable steered states
Vahid Nassajpour, Seyed Javad Akhtarshenas
Any two-qubit state can be represented, geometrically, as an ellipsoid with a certain size and a center located within the Bloch sphere of one of the qubits. Points of this ellipso…
quant-ph2013
Progress on Quantum Discord of Two Qubit states: Optimization and Upper Bound
S. Javad Akhtarshenas, Hamidreza Mohammadi, Fahimeh S. Mousavi +1
Calculation of the quantum discord requires to find the minimum of the quantum conditional entropy over all measurements on the subsystem . In this paper…