81 citations · 237 across the 8 of their papers we have counts for
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cond-mat.str-el2006★ 21 cited
Tomonaga-Luttinger parameters and spin excitations in the dimerized extended Hubbard model
Satoshi Ejima, Florian Gebhard, Satoshi Nishimoto
We study the one-dimensional extended Hubbard model with alternating size of the hopping integrals using the density-matrix renormalization group method. We calculate the spin gap,…
cond-mat.str-el2006★ 4 cited
Brueckner-Goldstone perturbation theory for the half-filled Hubbard model in infinite dimensions
Daniel Ruhl, Florian Gebhard
We use Brueckner-Goldstone perturbation theory to calculate the ground-state energy of the half-filled Hubbard model in infinite dimensions up to fourth order in the Hubbard intera…