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cond-mat.str-el2007★ 26 cited
Hofstadter butterfly for a finite correlated system
Katarzyna Czajka, Anna Gorczyca, Maciej M. Maska +1
We investigate a finite two-dimensional system in the presence of external magnetic field. We discuss how the energy spectrum depends on the system size, boundary conditions and Co…
cond-mat.str-el2005
Thermodynamics of the two-dimensional Falicov-Kimball model: a classical Monte Carlo study
Maciej M. Maska, Katarzyna Czajka
The two-dimensional Falicov-Kimball (FK) model is analyzed using Monte Carlo method. In the case of concentrations of both itinerant and localized particles equal to 0.5 we determi…