Magnetic Susceptibility of the Double-Exchange Model in the RKKY Limit

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dc.creatorFishman, Randy S.
dc.date2006-06-27
dc.date.accessioned2026-07-07T07:12:53Z
dc.date.available2026-07-07T07:12:53Z
dc.descriptionThe magnetic susceptibility and Edwards-Anderson order parameter q of the spin-glass-like (SGL) phase of the double-exchange model are evaluated in the weak-coupling or RKKY limit. Dynamical mean-field theory is used to show that q=M(T/Tsg)^2, where M is the classical Brillouin function and Tsg is the SGL transition temperature. The correlation length of the SGL phase is determined by a correlation parameter Q that maximizes Tsg and minimizes the free energy. The magnetic susceptibility has a cusp at Tsg and reaches a nonzero value as T goes to zero.
dc.description8 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0606699
dc.identifierhttp://arxiv.org/abs/cond-mat/0606699
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112237
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleMagnetic Susceptibility of the Double-Exchange Model in the RKKY Limit
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