Artículo
Magnetization plateaus in dimerized spin-ladder arrays
Fecha de publicación:
12/2000
Editorial:
American Physical Society
Revista:
Physical Review B: Condensed Matter and Materials Physics
ISSN:
0163-1829
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
We investigate the ground-state magnetization plateaus appearing in spin-(Formula presented) two-leg ladders built up from dimerized antiferromagnetic Heisenberg chains and dimerized zig-zag interchain couplings. Using both Abelian bosonization and Lanczos methods we find that the system yields rather unusual plateaus and exhibits massive and massless phases for specific choices or “tuning” of exchange interactions. The relevance of this behavior in the study of (Formula presented) is discussed. © 2000 The American Physical Society.
Palabras clave:
Bosonization
,
Exact Diagonalization
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Articulos(IFLP)
Articulos de INST.DE FISICA LA PLATA
Articulos de INST.DE FISICA LA PLATA
Citación
Cabra, Daniel Carlos; Grynberg, Marcelo Daniel; Magnetization plateaus in dimerized spin-ladder arrays; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 62; 1; 12-2000; 337-343
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