Entanglement of finite cyclic chains at factorizing fields

We examine the entanglement of cyclic spin-1/2 chains with anisotropic XYZ Heisenberg couplings of arbitrary range at transverse factorizing magnetic fields. At these fields the system exhibits a degenerate symmetry-breaking separable ground state (GS). It is shown, however, that the side limits of...

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Detalles Bibliográficos
Autores principales:	Rossignoli, Raúl Dante, Canosa, Norma Beatriz, Matera, Juan Mauricio
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2008
Materias:	Física Entanglement measures Entanglement and quantum nonlocality Quantized spin models
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/154213
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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