Nonclassical correlations for quantum metrology in thermal equilibrium
Nonclassical correlations for quantum metrology in thermal equilibrium
Nonclassical correlations beyond entanglement might provide a resource in quantum information tasks, such as quantum computation or quantum metrology. Quantum discord is a measure of nonclassical correlations to which entanglement belongs as a subset. Exploring the operational meaning of quantum discord as a resource in quantum information processing tasks, such …