Factorization and entanglement in general XYZ spin arrays in nonuniform transverse fields

We determine the conditions for the existence of a pair of degenerate parity breaking separable eigenstates in general arrays of arbitrary spins connected through XYZ couplings of arbitrary range and placed in a transverse field, not necessarily uniform. Sufficient conditions under which they are gr...

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Detalles Bibliográficos
Autores principales:	Rossignoli, Raúl Dante, Canosa, Norma Beatriz, Matera, Juan Mauricio
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2009
Materias:	Física Quantum entanglement Physics Qubit Parity (physics) Spins Spin (physics) Quantum mechanics Ground state Separable space Degenerate energy levels
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/125914
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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