From the double-exchange Hamiltonian to the $t-J$ model: Classical spins

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From the double-exchange Hamiltonian with classical localized spins in the limit of large but finit Hund exchange coupling we obtain the $t-J$ model (with classical localized spins).
1 page, latex

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/19220

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0204558
 http://arxiv.org/abs/cond-mat/0204558

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arXiv