Properties of the slightly doped large-UHubbard model

1 May 1989

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 39 (13) , 9147-9152
https://doi.org/10.1103/physrevb.39.9147

Abstract

Perturbation theory is combined with spin-wave techniques to study the large-U one-band Hubbard model near half filling. It is shown that the antiferromagnetic order is preserved for finite doping fractions. A uniform magnetization perpendicular to the staggered one is predicted for doping fractions above some critical value. This critical value is zero for d=2 and nonzero for d>2.

Keywords

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