We review concepts and methods associated with quantum discord and related topics. We
also describe their possible connections with other aspects of quantum information and …

Knowledge of the dynamical behavior of correlations with no classical counterpart, like
entanglement, nonlocal correlations and quantum discord, in open quantum systems is of …

Quantum correlations in a composite system can be measured by resorting to a geometric
approach, according to which the distance from the state of the system to a suitable set of …

It is well known that the violation of Bell's inequality in the form given by Clauser, Horne,
Shimony, and Holt (CHSH) in two-qubit systems requires entanglement, but not vice versa …

We report the experimental measurement of bipartite quantum correlations of an unknown
two-qubit state. Using a liquid state Nuclear Magnetic Resonance setup and employing …

Understanding the non-Markovian mechanisms underlying the revivals of quantum
entanglement in the presence of classical environments is central in the theory of quantum …

We address the experimental determination of entropic quantum discord for systems made
of a pair of polarization qubits. We compare results from full and partial tomography and …

We show exactly that the squared entanglement of formation (SEF) obeys a set of
hierarchical monogamy relations for an arbitrary N-qubit mixed state. Based on this set of …

We provide necessary and sufficient conditions for freezing of quantum correlations as
measured by quantum discord and quantum work deficit in the case of bipartite as well as …

Dynamics of an open system is vividly influenced by the structure of environments. This
paper studies in detail the dynamics of a two-level atom in the presence of an overall …