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Showing 2007 · cond-mat.str-elShow all
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cond-mat.str-el2007★ 6 cited
Static and dynamic properties of the spinless Falicov-Kimball model
K. W. Becker, S. Sykora, V. Zlatic
The spinless Falicov-Kimball model is studied by the use of a recently developed projector-based renormalization method (PRM) for many-particle Hamiltonians. The method is used to…
cond-mat.str-el2007★ 19 cited
Analytical solution of a Hubbard model extended by nearest neighbour Coulomb and exchange interaction on a triangle and tetrahedron
R. Schumann
The Hubbard model extended by either nearest-neighbour Coulomb correlation and/or nearest neighbour Heisenberg exchange is solved analytically for a triangle and tetrahedron. All e…