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@article{faucris.123404644,
abstract = {We investigate the influence of electron correlations on the temperature-dependence of the electronic structure of ferromagnetic bcc iron by use of a many-body evaluation of a generalized model of magnetism. The single-particle part of the model-Hamiltonian is taken from an LDA band structure calculation. The many-body interactions are described by only two parameters, an intraband Coulomb interaction U and an interband exchange J. With U = 1.8 eV and J = 0.2 eV the self-consistent model solution yields a T = 0 moment of about 2.04 mu(B) and a Curie-temperature of 1044 K. Details of the magnetic behaviour of Fe can be traced back to a striking temperature variation of the quasiparticle density of states. A novel explanation for the experimentally-observed non-collapsing exchange splitting is demonstrated in terms of the temperature-dependent spectral density for wave-vectors near the GAMMA-point. Typical differences in the magnetic behaviour of Fe and Ni are worked out.},
author = {Fauster, Thomas and et al.},
author_hint = {NOLTING W, VEGA A, FAUSTER T},
doi = {10.1007/BF01313058},
faupublication = {no},
journal = {Zeitschrift für Physik B Condensed Matter},
month = {Jan},
pages = {357-372},
peerreviewed = {Yes},
support_note = {Author relations incomplete. You may find additional data in field 'author{\_}hint'},
title = {{ELECTRONIC} {QUASI}-{PARTICLE} {STRUCTURE} {OF} {FERROMAGNETIC} {BCC} {IRON}},
volume = {96},
year = {1995}
}