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The Effective Charge Velocity of Spin-1/2 Superlattices
We calculate the spin gap of homogeneous and inhomogeneous spin chains, using the Whites density matrixrenormalization group technique. We found that the spin gap is related to the ration between the spin velocityand the correlation exponent. We consider a spin superlattice, which is composed of a...
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| Publicado no: | Brazilian Journal of Physics |
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| Main Authors: | , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Sociedade Brasileira de Física
2006
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| Assuntos: | |
| Acesso em linha: | https://www.redalyc.org/articulo.oa?id=46436535 |
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