Field-induced nonmagnetic impurities interaction in the quantum ising chain
We study static vacancies on a ferromagnetic spin-1/2 chain described by the transverse Ising model with second neighbor interactions at zero temperature. Using exact diagonalization techniques and applying a finite-size scaling approach, it is found that a strong magnetic field induces an effective...
| Autores: | , , |
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2005 |
| País: | Brasil |
| Recursos: | Universidade Federal de Viçosa (UFV) |
| Repositorio: | LOCUS Repositório Institucional da UFV |
| Idioma: | inglés |
| OAI Identifier: | oai:locus.ufv.br:123456789/22184 |
| Acesso em linha: | https://doi.org/10.1016/j.ssc.2005.02.001 http://www.locus.ufv.br/handle/123456789/22184 |
| Access Level: | acceso abierto |
| Palavra-chave: | A. Ferromagnets C. Impurities E. Quantum spin models |
| Resumo: | We study static vacancies on a ferromagnetic spin-1/2 chain described by the transverse Ising model with second neighbor interactions at zero temperature. Using exact diagonalization techniques and applying a finite-size scaling approach, it is found that a strong magnetic field induces an effective potential of interaction between two vacancies that is attractive. |
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