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19962002
most citedStriped phase in a quantum XY-model with ring exchange

121 citations · 350 across the 9 of their papers we have counts for

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cond-mat1996★ 3 cited

Variationnal study of ferromagnetism in the t1-t2 Hubbard chain

S. Daul, P. Pieri, M. Dzierzawa +2

A one-dimensional Hubbard model with nearest and (negative) next-nearest neighbour hopping is studied variationally. This allows to exclude saturated ferromagnetism for .…