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cond-mat1995★ 19 cited
THE STAGGERED CHARGE-ORDER PHASE OF THE EXTENDED HUBBARD MODEL
C. Borgs, J. Jȩdrzejewski, R. Kotecký
We study the phase diagram of the extended Hubbard model in the atomic limit. At zero temperature, the phase diagram decomposes into six regions: three with homogeneous phases (cha…
cond-mat1993★ 52 cited
Molecule Formation and the Farey Tree in the One-Dimensional Falicov-Kimball Model
C. Gruber, D. Ueltschi, J. Jȩdrzejewski
The ground state configurations of the one--dimensional Falicov--Kimball model are studied exactly with numerical calculations revealing unexpected effects for small interaction st…