Quasi-One-Dimensional Quantum Ferrimagnets
arXiv:cond-mat/0503058 · doi:10.1016/j.physa.2005.05.060
Abstract
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.
6 pages, 12 figures, to be published in Physica A: special issue in honor of Prof. Bernard Sapoval