Generalized Gutzwiller method for n⩾2 correlated bands: First-order metal-insulator transitions
- 15 February 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 55 (7) , 4011-4014
- https://doi.org/10.1103/physrevb.55.4011
Abstract
We have generalized the Gutzwiller method to the cases of n⩾2 correlated bands and report studies on a degenerate two-band model with Hund's rule type on-site interactions. At half band filling the metal-insulator transitions are usually of first order.Keywords
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This publication has 21 references indexed in Scilit:
- Ground state phase diagram of the infinite dimensional Hubbard model: A variational studyZeitschrift für Physik B Condensed Matter, 1990
- Variational theory for correlated lattice fermions in high dimensionsZeitschrift für Physik B Condensed Matter, 1989
- Analytic calculation of ground-state properties of correlated fermions with the Gutzwiller wave functionPhysical Review B, 1988
- Gutzwiller approach to the Anderson lattice model with no orbital degeneracyPhysical Review B, 1987
- Gutzwiller method for heavy electronsPhysical Review B, 1986
- Hybridization in correlated bands studied with the Gutzwiller method: Application to fluctuating valence and heavy fermionsPhysical Review B, 1986
- Theory of itinerant antiferromagnetism: Zero-temperature propertiesPhysical Review B, 1976
- Application of the Gutzwiller Method to AntiferromagnetismProgress of Theoretical Physics, 1975
- Gutzwiller Approximation for Antiferromagnetism in Hubbard ModelProgress of Theoretical Physics, 1975
- Effect of Correlation on the Ferromagnetism of Transition MetalsPhysical Review Letters, 1963