84 citations · 446 across the 11 of their papers we have counts for
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cond-mat.str-el2009★ 48 cited
Correlations in a band insulator
Michael Sentef, Jan Kunes, Philipp Werner +1
We study a model of a covalent band insulator with on-site Coulomb repulsion at half-filling using dynamical mean-field theory. Upon increasing the interaction strength the system…
cond-mat.str-el2009★ 40 cited
Insulating behavior with spin and charge order in the ionic Hubbard model
Krzysztof Byczuk, Michael Sekania, Walter Hofstetter +1
Paramagnetic solutions of the ionic Hubbard model at half-filling in dimensions indicate that the band and the Mott insulator phases are separated by a metallic phase. We pre…