Interplay between quasiperiodicity and disorder in quantum spin chains in a magnetic field

We study the interplay between disorder and a quasiperiodic coupling array in an external magnetic field in a spin-1/2 XXZ chain. A simple real space decimation argument is used to estimate the magnetization values where plateaux show up. The latter are in good agreement with exact diagonalization r...

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Detalles Bibliográficos
Autor principal: Arlego, Marcelo José Fabián
Formato: Articulo Preprint
Lenguaje:Inglés
Publicado: 2002
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Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/141097
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