Bell Inequalities for Graph States

Medientyp: E-Artikel; Sonstige Veröffentlichung
Titel: Bell Inequalities for Graph States
Beteiligte: Gühne, Otfried [VerfasserIn]; Tóth, Géza [VerfasserIn]; Hyllus, Philipp [VerfasserIn]; Briegel, Hans J. [VerfasserIn]
Erschienen: College Park, Md. : APS, 2005
Erschienen in: Physical Review Letters 95 (2005), Nr. 12 ; Physical Review Letters
Ausgabe: published Version
Sprache: Englisch
DOI: https://doi.org/10.15488/16343; https://doi.org/10.1103/physrevlett.95.120405
ISSN: 0031-9007
Schlagwörter: Bell inequalities ; Nonlocal properties ; Geometry ; Entanglement ; Measurement theory
Entstehung:
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Beschreibung: We investigate the nonlocal properties of graph states. To this aim, we derive a family of Bell inequalities which require three measurement settings for each party and are maximally violated by graph states. In turn, for each graph state there is an inequality maximally violated only by that state. We show that for certain types of graph states the violation of these inequalities increases exponentially with the number of qubits. We also discuss connections to other entanglement properties such as the positivity of the partial transpose or the geometric measure of entanglement. © 2005 The American Physical Society.
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Bell Inequalities for Graph States - [published Version]