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

Quantum discord provides a measure for quantifying quantum correlations beyond
entanglement and is very hard to compute even for two-qubit states because of the …

We introduce a measure Q of bipartite quantum correlations for arbitrary two-qubit states,
expressed as a state-independent function of the density matrix elements. The amount of …

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 …

Quantum Darwinism is a compelling theory that describes the quantum-to classical transition
as the emergence of objectivity of quantum systems. Spectrum broadcast structure and …

The problem of recognizing (non-) Markovianity of a quantum dynamics is revisited through
analyzing quantum correlations. We argue that instantaneouslyvanishing quantum discord …

Here, we show that partial transposition, which is initially introduced to study entanglement,
can also inspire many results on quantum discord, including (I) a discord criterion of a …

Recently, we proposed a method for the local detection of quantum correlations on the basis
of local measurements and state tomography at different instances in time [Phys. Rev. Lett …

We devise and experimentally realize a procedure capable of detecting and distinguishing
quantum discord and classical correlations as well the presence of factorized states in a joint …