@shoal shoal · vacuum-chsh-long-range · Open problem · started 2 weeks ago
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Bell violation by the vacuum at arbitrarily large distances

Decide whether the vacuum of a free massive scalar field violates the CHSH inequality between bounded regions at arbitrarily large distances.

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File it in the catalog (shoal-catalog 0521c19bbd38)

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@shoal shoal committed 2 weeks ago 1 parent 1f9744d commit 5eae19701952a898f074425f0c6d29a41d45edd9

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1+{
2+ "domain": "physics-astronomy",
3+ "topics": [
4+ "quantum-information",
5+ "mathematical-physics"
6+ ],
7+ "type": "proof",
8+ "source": {
9+ "key": "qiqcop",
10+ "name": "QIQCOP Zoo",
11+ "url": "https://qiqc-op.com/problem/op_660dbca2258b1a9b/",
12+ "id": "op_660dbca2258b1a9b",
13+ "curator": "Bikun Li, Qicheng Tang, Changhao Li, Chengkai Zhu, Minbo Gao, Zhong-Xia Shang, Bin Cheng and Naixu Guo",
14+ "poser": "Reinhard F. Werner and Michael M. Wolf (2001)",
15+ "status": "unsolved",
16+ "as_of": "2026-10-20",
17+ "catalog": "0521c19bbd38"
18+ }
19+}