Local invariants for multi-partite entangled states allowing for a simple entanglement criterion

dc.creatorAschauer, Hans
dc.creatorCalsamiglia, John
dc.creatorHein, Marc
dc.creatorBriegel, Hans J.
dc.date2003-06-06
dc.date2004-08-03
dc.date.accessioned2026-07-07T06:06:56Z
dc.date.available2026-07-07T06:06:56Z
dc.descriptionWe present local invariants of multi-partite pure or mixed states, which can be easily calculated and have a straight-forward physical meaning. As an application, we derive a new entanglement criterion for arbitrary mixed states of $n$ parties. The new criterion is weaker than the partial transposition criterion but offers advantages for the study of multipartite systems. A straightforward generalization of these invariants allows for the construction of a complete set of observable polynomial invariants.
dc.description12 pages. Version 3: minor corrections
dc.identifierhttps://arxiv.org/abs/quant-ph/0306048
dc.identifierhttp://arxiv.org/abs/quant-ph/0306048
dc.identifierQuant. Inf. Comp. 4, 383 (2004)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/91157
dc.subjectQuantum Physics
dc.titleLocal invariants for multi-partite entangled states allowing for a simple entanglement criterion
dc.typetext

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