828 citations · 1.7k across the 38 of their papers we have counts for
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cond-mat1994★ 6 cited
Effects of Next-Nearest-Neighbor Hopping on the Hole Motion in an Antiferromagnetic Background
Avraham Schiller, Pradeep Kumar, Rainer Strack +1
In this paper we study the effect of next-nearest-neighbor hopping on the dynamics of a single hole in an antiferromagnetic (Néel) background. In the framework of large dimensions…
cond-mat1994★ 46 cited
A Model for Solid He: II
J. Dubois, P. Kumar
We propose a simple Ginzburg-Landau free energy to describe the magnetic phase transition in solid He. The free energy is analyzed with due consideration of the hard first orde…