39 citations · 104 across the 4 of their papers we have counts for
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cond-mat.str-el2008★ 31 cited
Exact many-electron ground states on diamond and triangle Hubbard chains
Zsolt Gulacsi, Arno Kampf, Dieter Vollhardt
We construct exact ground states of interacting electrons on triangle and diamond Hubbard chains. The construction requires (i) a rewriting of the Hamiltonian into positive semidef…
cond-mat.str-el2004★ 29 cited
Spin-charge separation in Aharonov-Bohm rings of interacting electrons
K. Hallberg, A. A. Aligia, A. P. Kampf +1
We investigate the properties of strongly correlated electronic models on a flux-threaded ring connected to semi-infinite free-electron leads. The interference pattern of such an A…
cond-mat.str-el2001★ 39 cited
Lattice anisotropy as microscopic origin of static stripes in cuprates
B. Normand, A. P. Kampf
Structural distortions in cuprate materials offer a microscopic origin for anisotropies in electron transport in the basal plane. Using a real-space Hartree-Fock approach, we consi…