DMRG study of ferromagnetism in a one-dimensional Hubbard model |
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| Authors: | S. Daul R.M. Noack |
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| Affiliation: | 113. Institut de physique théorique, Université de Fribourg, CH-1700, Fribourg, Switzerland
213. Institut für Theoretische Physik, Universit?t Würzburg, Am Hubland, D-97074, Würzburg, Germany
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| Abstract: | The one dimensional Hubbard model with nearest and (negative) next-nearest neighbour hopping has been studied with the density-matrix renormalization group (DMRG) method. A large region of ferromagnetism has been found for finite density and finite on-site interaction. |
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