Revealing Quantum Advantage in a Quantum Network

Abstract

The assumption of source independence was used to reveal nonlocal (apart from standard Bell-CHSH scenario) nature of correlations generated in entanglement swapping experiments. In this work, we have derived a set of sufficient criteria, imposed on the states (produced by the sources) under which source independence can reveal nonbilocal nature of correlations in a quantum network. To show this, we have considered real two qubit X states thereby discussing the various utilities of assuming source independence in a quantum network.

14 pages, 6 figures, revtex, comments welcome, to appear in qip

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Cited by in corpus (10)

• Bell nonlocality in networks
• Full network nonlocality
• Maximal violation of n-locality inequalities in a star-shaped quantum network
• Characterizing Quantum Correlations In Fixed Input $n$-Local Network Scenario
• Nontrilocality: Exploiting nonlocality from three particle systems
• Persistency of non-n-local correlations in noisy linear networks
• Detecting Nontrilocal Correlations In Triangle Networks
• Hidden Non n-locality In Linear Networks
• Generalized $n$-locality inequalities in linear-chain network for arbitrary inputs scenario and their quantum violations
• Conditional steering under von-Neumann scenario