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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Leggett-type N-partite scenarios for testing nonlocal realistic theory

arXiv
Authors: Abdul Sattar Khan, Ma-Cheng Yang, Cong-Feng Qiao

Year

2021

Paper ID

62520

Status

Preprint

Abstract Read

~2 min

Abstract Words

86

Citations

N/A

Abstract

The nonlocal realistic theory might be the last cornerstone of classical physics confronting to the quantum theory, which was found mostly untenable in the bipartite system [Nature 446, 871 (2007)]. We extend the Leggett-type nonlocal realistic model to arbitrary N-partite systems with polarizer settings, and obtain some stronger inequalities to distinguish quantum mechanics from nonlocal realistic theories. For illustration, with certain measurement settings the quantum violations of Leggett-type inequalities are found for Greenberger-Horne-Zeilinger (GHZ) state. Our results, say the nonlocal realism in multipartite systems, are testable in experiment.

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  • The nonlocal realistic theory might be the last cornerstone of classical physics confronting to the quantum theory, which was found mostly untenable in the bipartite system...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2108.03665 [2] arXiv https://arxiv.org/abs/2108.03665 [3] Publisher https://arxiv.org/abs/2108.03665

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