%0 Journal Article
%T Progress on Quantum Discord of Two-Qubit States: Optimization and Upper Bound
%A Akhtarshenas, Seyed Javad
%A  Hamidreza Mohammadi
%A  Fahimeh S. Mousavi
%A  Vahid Nassajpour
%J International Journal of Theoretical Physics
%@ 0020-7748
%D 2015