most citedThe relation between Hardy's non-locality and violation of Bell inequality

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hep-th2026

Leggett-Garg inequality in the massive scalar vacuum: No violation under spacelike-separated measurements

Yang Xiang

We overcome the long-standing noninvasive measurability (NIM) challenge in Leggett-Garg tests by exploiting the causal structure of quantum field theory (QFT). Our protocol uses th…