dorsal/arxiv
View SchemaOptimal Bell tests do not require maximally entangled states
| Authors | Antonio Acin, Richard Gill, Nicolas Gisin |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0506225 |
| URL | https://arxiv.org/abs/quant-ph/0506225 |
| DOI | 10.1103/PhysRevLett.95.210402 |
| Journal | Phys. Rev. Lett. 95, 210402 (2005) |
Abstract
Any Bell test consists of a sequence of measurements on a quantum state in space-like separated regions. Thus, a state is better than others for a Bell test when, for the optimal measurements and the same number of trials, the probability of existence of a local model for the observed outcomes is smaller. The maximization over states and measurements defines the optimal nonlocality proof. Numerical results show that the required optimal state does not have to be maximally entangled.
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"abstract": "Any Bell test consists of a sequence of measurements on a quantum state in\nspace-like separated regions. Thus, a state is better than others for a Bell\ntest when, for the optimal measurements and the same number of trials, the\nprobability of existence of a local model for the observed outcomes is smaller.\nThe maximization over states and measurements defines the optimal nonlocality\nproof. Numerical results show that the required optimal state does not have to\nbe maximally entangled.",
"arxiv_id": "quant-ph/0506225",
"authors": [
"Antonio Acin",
"Richard Gill",
"Nicolas Gisin"
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"doi": "10.1103/PhysRevLett.95.210402",
"journal_ref": "Phys. Rev. Lett. 95, 210402 (2005)",
"title": "Optimal Bell tests do not require maximally entangled states",
"url": "https://arxiv.org/abs/quant-ph/0506225"
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