Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2005-03-02
Physica A 357, 173-180 (2005)
Physics
Condensed Matter
Strongly Correlated Electrons
6 pages, 12 figures, to be published in Physica A: special issue in honor of Prof. Bernard Sapoval
Scientific paper
10.1016/j.physa.2005.05.060
We present an exact diagonalization study of the half-filled Hubbard model on
bipartite quasi-one-dimensional lattices. In particular, we emphasize the
dependence of the ferrimagnetic ground state properties, and its associated
magnetic excitations, on the Coulomb repulsion U.
Coutinho-Filho M. D.
Montenegro-Filho R. R.
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