One of the best signatures of nonclassicality in a quantum system is the existence of
correlations that have no classical counterpart. Different methods for quantifying the …

We review selected advances in the theoretical understanding of complex quantum many-
body systems with regard to emergent notions of quantum statistical mechanics. We cover …

Quantum discord characterizes “nonclassicality” of correlations in quantum mechanics. It
has been proposed as the key resource present in certain quantum communication tasks …

Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …

Quantum mechanics predicts that measurements of incompatible observables carry a
minimum uncertainty which is independent of technical deficiencies of the measurement …

Within the unified framework of exploiting the relative entropy as a distance measure of
quantum correlations, we make explicit the hierarchical structure of quantum coherence …

The existence of better-than-classical quantum information processing (QIP) models which
consume very little or no entanglement suggests that separable or weakly entangled states …

Quantum discord, a measure of genuinely quantum correlations, is generalized to
continuous variable systems. For all two-mode Gaussian states, we calculate analytically the …

We extend the quantum discord to continuous variable systems and evaluate Gaussian
quantum discord C (ϱ) for bipartite Gaussian states. In particular, for squeezed-thermal …

Dakic, Vedral, and Brukner [arxiv: 1004.0190 (2010)] introduced a geometric measure of
quantum discord and derived an explicit formula for any two-qubit state. This measure is …