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papers

Publications (2)

cond-mat1994

Effects of Next-Nearest-Neighbor Hopping on the Hole Motion in an Antiferromagnetic Background

Avraham Schiller, Pradeep Kumar, Rainer Strack +1

cond-mat1995

Ferromagnetism in Correlated Electron Systems: Generalization of Nagaoka's Theorem

Marcus Kollar, Rainer Strack, Dieter~Vollhardt