Cost of locally approximating high-dimensional ground states of contextual quantum models

Abstract Contextuality, one of the strongest forms of quantum correlations, delineates the boundary between the quantum world and the classical one. Recent advances show that some translation-invariant contextuality witnesses are maximally violated by ground states and local observables of infinite...

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Bibliographic Details
Main Authors: Kaiyan Yang, Yanzheng Zhu, Xiao Zeng, Zuoheng Zou, Man-Hong Yung, Zizhu Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-05-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-025-02127-9
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