Global entanglement in XXZ chains

We examine the thermal entanglement of XXZ-type Heisenberg chains in the presence of a uniform magnetic field along the z axes through the evaluation of the negativity associated with bipartitions of the whole system and subsystems. Limit temperatures for nonzero global negativities are shown to dep...

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Detalles Bibliográficos
Autores principales:	Canosa, Norma Beatriz, Rossignoli, Raúl Dante
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2006
Materias:	Ciencias Exactas Física thermal entanglement Heisenberg chains uniform magnetic field limit temperatures global bipartite entanglement bipartition
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/126331
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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