Violations of local realism by two entangled N-dimensional systems are stronger than for two qubits

Violations of local realism by two entangled N-dimensional systems are stronger than for two qubits

Tests of local realism versus quantum mechanics based on Bell's inequality employ two entangled qubits. We investigate the general case of two entangled quantum systems defined in N-dimensional Hilbert spaces, or " quNits." Via a numerical linear optimization method we show that viola...

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Veröffentlicht in:Physical review letters 2000-11, Vol.85 (21), p.4418-4421
Hauptverfasser: Kaszlikowski, D, Gnacinski, P, Zukowski, M, Miklaszewski, W, Zeilinger, A
Format: Artikel
Sprache:eng
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Zusammenfassung:Tests of local realism versus quantum mechanics based on Bell's inequality employ two entangled qubits. We investigate the general case of two entangled quantum systems defined in N-dimensional Hilbert spaces, or " quNits." Via a numerical linear optimization method we show that violations of local realism are stronger for two maximally entangled quNits ( 3
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.85.4418