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cond-mat.str-el2013★ 51 cited
Kohn-Sham density functional theory for quantum wires in arbitrary correlation regimes
Francesc Malet, André Mirtschink, Jonas C. Cremon +2
We use the exact strong-interaction limit of the Hohenberg-Kohn energy density functional to construct an approximation for the exchange-correlation term of the Kohn-Sham approach.…
cond-mat.str-el2008★ 7 cited
Magnetic phases of one-dimensional lattices with 2 to 4 fermions per site
J. -P. Nikkarila, M. Koskinen, S. M. Reimann +1
We study the spectral and magnetic properties of one-dimensional lattices filled with 2 to 4 fermions (with spin 1/2) per lattice site. We use a generalized Hubbard model that take…