Metal-insulator transition in a generalized Hubbard model
- 2 March 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 68 (9) , 1410-1413
- https://doi.org/10.1103/physrevlett.68.1410
Abstract
An extension of the Hubbard model, introduced by Montorsi and Rasetti, is studied using exact diagonalization and quantum Monte Carlo methods. Our numerical results for the static and dynamic properties of one- and two-dimensional systems strongly suggest the occurrence of a metal-insulator transition.Keywords
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