Majtey, A.P.; Plastino, A.R.; Plastino, A. - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 7, pp. 2491-2499
The notion of quantum discord introduced by Ollivier and Zurek [Phys. Rev. Lett 88 (2001) 017901] (see also Henderson and Vedral [J. Phys. A 34 (2001) 6899] ) has attracted increasing attention, in recent years, as an entropic quantifier of non-classical features pertaining to the correlations...