dorsal/arxiv
View SchemaBell's theorem for general N-qubit states
| Authors | Marek Zukowski, Caslav Brukner |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0102039 |
| URL | https://arxiv.org/abs/quant-ph/0102039 |
| DOI | 10.1103/PhysRevLett.88.210401 |
| Journal | Phys. Rev. Lett. 88 (2002) 210401 |
Abstract
We derive a single general Bell inequality which is a necessary and sufficient condition for the correlation function for N particles to be describable in a local and realistic picture, for the case in which measurements on each particle can be chosen between two arbitrary dichotomic observables. We also derive a necessary and sufficient condition for an arbitrary N-qubit mixed state to violate this inequality. This condition is a generalization and reformulation of the Horodeccy family condition for two qubits.
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"abstract": "We derive a single general Bell inequality which is a necessary and\nsufficient condition for the correlation function for N particles to be\ndescribable in a local and realistic picture, for the case in which\nmeasurements on each particle can be chosen between two arbitrary dichotomic\nobservables. We also derive a necessary and sufficient condition for an\narbitrary N-qubit mixed state to violate this inequality. This condition is a\ngeneralization and reformulation of the Horodeccy family condition for two\nqubits.",
"arxiv_id": "quant-ph/0102039",
"authors": [
"Marek Zukowski",
"Caslav Brukner"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.88.210401",
"journal_ref": "Phys. Rev. Lett. 88 (2002) 210401",
"title": "Bell\u0027s theorem for general N-qubit states",
"url": "https://arxiv.org/abs/quant-ph/0102039"
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