From the double-exchange Hamiltonian to the t-J model: Classical spins
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❄️ cond-mat.str-el
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classicalspinsdouble-exchangehamiltonianlocalizedmodelcouplingexchange
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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).
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