Competing interactions in the XYZ model

We study the interplay between an XY anisotropy γ, exchange modulations, and an external magnetic field along the z direction in an XYZ chain using bosonization and Lanczos diagonalization techniques. We find an Ising critical line in the space of couplings which occur due to competing relevant pert...

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Detalles Bibliográficos
Autores principales:	Arlego, Marcelo José Fabián, Cabra, Daniel Carlos, Drut, Joaquín Emiliano, Grynberg, Marcelo Daniel
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2003
Materias:	Ciencias Exactas Física anisotropy external magnetic field bosonization Lanczos diagonalization techniques
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/126413
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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