dorsal/arxiv
View SchemaDo all pure entangled states violate Bell's inequalities for correlation functions?
| Authors | Marek Zukowski, Caslav Brukner, Wieslaw Laskowski, Marcin Wiesniak |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0110095 |
| URL | https://arxiv.org/abs/quant-ph/0110095 |
| DOI | 10.1103/PhysRevLett.88.210402 |
| Journal | Phys. Rev. Lett. 88 (2002) 210402 |
Abstract
Any pure entangled state of two particles violates a Bell inequality for two-particle correlation functions (Gisin's theorem). We show that there exist pure entangled N>2 qubit states that do not violate any Bell inequality for N particle correlation functions for experiments involving two dichotomic observables per local measuring station. We also find that Mermin-Ardehali-Belinskii-Klyshko inequalities may not always be optimal for refutation of local realistic description.
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"abstract": "Any pure entangled state of two particles violates a Bell inequality for\ntwo-particle correlation functions (Gisin\u0027s theorem). We show that there exist\npure entangled N\u003e2 qubit states that do not violate any Bell inequality for N\nparticle correlation functions for experiments involving two dichotomic\nobservables per local measuring station. We also find that\nMermin-Ardehali-Belinskii-Klyshko inequalities may not always be optimal for\nrefutation of local realistic description.",
"arxiv_id": "quant-ph/0110095",
"authors": [
"Marek Zukowski",
"Caslav Brukner",
"Wieslaw Laskowski",
"Marcin Wiesniak"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.88.210402",
"journal_ref": "Phys. Rev. Lett. 88 (2002) 210402",
"title": "Do all pure entangled states violate Bell\u0027s inequalities for correlation functions?",
"url": "https://arxiv.org/abs/quant-ph/0110095"
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