Abstract
Abstract We investigated the influence of electron correlations on the temperature dependence of the electronic structure of the prototypical ferromagnets Ni, Fe(bcc), and Gd using a many-body evaluation of a generalized model of magnetism. The single-particle energies are taken from an LSDA band structure calculation. The many-particle interactions are described by just two parameters, an intraband Coulomb interaction U and an interband exchange J . The self-consistent model solution yields very realistic values for the T =0 moments and the Curie temperatures. Typical differences as well as common features of the magnetism in Ni, Fe and Gd are worked out.
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