Some features of the global entanglement of a composed quantum system can be quantified in terms of the purity of a balanced bipartition, made up of half of its subsystems. For the given bipartition, purity can always be minimized by taking a suitable (pure) state. When many bipartitions are considered, the requirement that purity be minimal for all bipartitions can engender conflicts and frustration will arise. This unearths an interesting link between frustration and multipartite entanglement, defined as the average purity over all (balanced) bipartitions.

Multipartite entanglement and frustration / P., Facchi; G., Florio; U., Marzolino; Parisi, Giorgio. - In: NEW JOURNAL OF PHYSICS. - ISSN 1367-2630. - 12:2(2010), p. 025015. [10.1088/1367-2630/12/2/025015]

Multipartite entanglement and frustration

PARISI, Giorgio
2010

Abstract

Some features of the global entanglement of a composed quantum system can be quantified in terms of the purity of a balanced bipartition, made up of half of its subsystems. For the given bipartition, purity can always be minimized by taking a suitable (pure) state. When many bipartitions are considered, the requirement that purity be minimal for all bipartitions can engender conflicts and frustration will arise. This unearths an interesting link between frustration and multipartite entanglement, defined as the average purity over all (balanced) bipartitions.
2010
01 Pubblicazione su rivista::01a Articolo in rivista
Multipartite entanglement and frustration / P., Facchi; G., Florio; U., Marzolino; Parisi, Giorgio. - In: NEW JOURNAL OF PHYSICS. - ISSN 1367-2630. - 12:2(2010), p. 025015. [10.1088/1367-2630/12/2/025015]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/6457
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