Factorization and criticality in finite XXZ systems of arbitrary spin

We analyze ground state (GS) factorization in general arrays of spinss_iwithXXZcouplings immersed in nonuniform fields. It is shown that an exceptionally degenerate set of completely separable symmetry-breaking GS's can arise for a wide range of field configurations, at a quantum critical point...

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Detalles Bibliográficos
Autores principales:	Cerezo de la Roca, Marco Vinicio Sebastián, Rossignoli, Raúl Dante, Canosa, Norma Beatriz, Rios, E.
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2017
Materias:	Física Quantum Spin Chains quantum critical points Factorization
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/75198
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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