dorsal/arxiv
View SchemaViolation of Bell's inequalities implies distillability for N qubits
| Authors | A. Acin, V. Scarani, M. M. Wolf |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0112102 |
| URL | https://arxiv.org/abs/quant-ph/0112102 |
| DOI | 10.1088/0305-4470/36/2/101 |
| Journal | J. Phys. A: Math. Gen. 36, L21 (2003) |
Abstract
We consider quantum systems composed of $N$ qubits, and the family of all Bell's correlation inequalities for two two-valued measurements per site. We show that if a $N$-qubit state $\rho$ violates any of these inequalities, then it is at least bipartite distillable. Indeed there exists a link between the amount of Bell's inequality violation and the degree of distillability. Thus, we strengthen the interpretation of Bell's inequalities as detectors of useful entanglement.
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"abstract": "We consider quantum systems composed of $N$ qubits, and the family of all\nBell\u0027s correlation inequalities for two two-valued measurements per site. We\nshow that if a $N$-qubit state $\\rho$ violates any of these inequalities, then\nit is at least bipartite distillable. Indeed there exists a link between the\namount of Bell\u0027s inequality violation and the degree of distillability. Thus,\nwe strengthen the interpretation of Bell\u0027s inequalities as detectors of useful\nentanglement.",
"arxiv_id": "quant-ph/0112102",
"authors": [
"A. Acin",
"V. Scarani",
"M. M. Wolf"
],
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"quant-ph"
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"doi": "10.1088/0305-4470/36/2/101",
"journal_ref": "J. Phys. A: Math. Gen. 36, L21 (2003)",
"title": "Violation of Bell\u0027s inequalities implies distillability for N qubits",
"url": "https://arxiv.org/abs/quant-ph/0112102"
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