Bond-impurity induced bound states in disordered spin-1/2 ladders
We discuss the effect of weak bond-disorder in two-leg spin ladders on the dispersion relation of the elementary triplet excitations with a particular focus on the appearance of bound states in the spin gap. Both the cases of modified exchange couplings on the rungs and the legs of the ladder are an...
Guardado en:
| Autores principales: | Arlego, Marcelo José Fabián, Brenig, Wolfram, Cabra, Daniel Carlos, Heidrich-Meisner, Fabian, Honecker, Andreas, Rossini, Gerardo Luis |
|---|---|
| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
2004
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/126328 |
| Aporte de: |
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