Deutsch
Husslein, Thomas and Newns, Dennis M. and Matuttis, H. G. and Pattnaik, Pratap C. and Morgenstern, Ingo and Singer, Johannes Maria and Fettes, Werner and Baur, C. (1994) Spin-spin correlations in the tt'-Hubbard model. Journal de Physique 1 4 (11), pp. 1573-1576.
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Abstract
We present calculations of the tt'-Hubbard model using Quantum Monte Carlo techniques. The parameters are chosen so that the van Hove Singularity in the density of states and the Fermi level coincide. We study the behaviour of the system with increasing Hubbard interaction U. Special emphasis is on the spin-spin correlation (SSC). Unusual behaviour for large U is observed there and in the momentum distribution function ( n(q)).
| Item Type: | Article | ||||
|---|---|---|---|---|---|
| Institutions: | Physics > Institute of Theroretical Physics > Professor Morgenstern | ||||
| Identification Number: |
| ||||
| Subjects: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Unknown | ||||
| Created at the University of Regensburg: | Unknown | ||||
| Owner: | Martin Kaiser | ||||
| Deposited On: | 23 Aug 2010 13:50 | ||||
| Last Modified: | 23 Aug 2010 13:50 | ||||
| Item ID: | 16255 |
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