1979
DOI: 10.1002/pssb.2220920222
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On the charge‐ordered solution of the half‐filled Hubbard model

Abstract: Within the functional integral treatment it is shown, that local magnetic moments for the conventional half-filled Hubbard model with repulsive correlation correspond to charge densities for an attractive correlation. Inclusion of electron--phonon interaction leads to a renormalization of repulsion energy and to a charge-ordered state for a negative effective i f Fluctuations in the effective charge field turn out t o be important in this region.Mit der Methode der funktionalen Integration wird gezeigt, daS lo… Show more

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Cited by 10 publications
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