Multipartite entanglement in spin chains

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dc.creatorGuehne, Otfried
dc.creatorToth, Geza
dc.creatorBriegel, Hans J.
dc.date2005-02-24
dc.date2005-10-17
dc.date.accessioned2026-07-07T06:40:51Z
dc.date.available2026-07-07T06:40:51Z
dc.descriptionWe investigate the presence of multipartite entanglement in macroscopic spin chains. We discuss the Heisenberg and the XY model and derive bounds on the internal energy for systems without multipartite entanglement. Based on this we show that in thermal equilibrium the above mentioned spin systems contain genuine multipartite entanglement, even at finite modest temperatures.
dc.description5 pages, 1 figure, to appear in New J. Phys
dc.identifierhttps://arxiv.org/abs/quant-ph/0502160
dc.identifierhttp://arxiv.org/abs/quant-ph/0502160
dc.identifierNew J. Phys. 7, 229 (2005)
dc.identifierdoi:10.1088/1367-2630/7/1/229
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101510
dc.subjectQuantum Physics
dc.subjectStatistical Mechanics
dc.titleMultipartite entanglement in spin chains
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