Revealing hidden standard tripartite nonlocality by local filtering

Abstract

Quantum nonlocality is a kind of significant quantum correlation that is stronger than quantum entanglement and EPR steering. The standard tripartite nonlocality can be detected by the violation of the Mermin inequality. By using local filtering operations, we give a tight upper bound on the maximal expected value of the Mermin operators. By detailed examples we show that the hidden standard nonlocality can be revealed by local filtering which can enhance the robustness of the noised entangled states.

10 pages, 4 figures

References in corpus (5)

• Steering, Entanglement, Nonlocality, and the EPR Paradox
• Noise robustness of the nonlocality of entangled quantum states
• Tight upper bound for the maximal quantum value of the Svetlichny operators
• Quantum gradient descent algorithms for nonequilibrium steady states and linear algebraic systems
• Tight upper bound on the quantum value of Svetlichny operators under local filtering and hidden genuine nonlocality