Abstract

Quantum systems exhibit diversified correlations which have no classical counterparts. It has been pointed out that quantum entanglement cannot describe all the nonclassicality in the correlations. The quantum discord, which can describe quantum correlations in separable states, has been demonstrated as important physical resources in quantum information processing. Since the solid-state spin systems are promising for applications of quantum computation and metrology, it is of practical significance to experimentally characterize the properties of quantum correlation in such systems. In this chapter, we review the experimental investigations of quantum correlations in solid-state spin system.

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