Mott transition in thed=∞ Hubbard model at zero temperature
- 15 March 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 70 (11) , 1666-1669
- https://doi.org/10.1103/physrevlett.70.1666
Abstract
Using a combination of perturbation theory and quantum Monte Carlo, we elucidate the behavior of the single-particle Green’s function and the local spin-spin correlation function near the Mott transition in the infinite dimensional Hubbard model at half filling. The model has three fixed points: the Fermi liquid phase qualitatively described by the Brinkman-Rice picture, the insulating phase resembling Hubbard’s solution, and an unstable Mott point which connects the two.Keywords
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