HUBBARD-TYPE SOLUTION IN THE PLANAR APPROXIMATION

Authors
KHURANA A
Citation
A. Khurana, HUBBARD-TYPE SOLUTION IN THE PLANAR APPROXIMATION, Zeitschrift fur Physik. B, Condensed matter, 95(3), 1994, pp. 287-289
Citations number
4
Categorie Soggetti
Physics, Condensed Matter
Journal title
Zeitschrift fur Physik. B, Condensed matter → ACNP
ISSN journal
07223277
Volume
95
Issue
3
Year of publication
1994
Pages
287 - 289
Database
ISI
SICI code
0722-3277(1994)95:3<287:HSITPA>2.0.ZU;2-Q
Abstract
The Hubbard solution to the Hubbard model showed a non-trivial metal-i nsulator transition. The value of the one-particle density of states a t the Fermi energy in that solution decreased continuously with increa sing value of the Hubbard interaction and vanished at a critical value of the interaction. Such a solution is derived from a planar model, a s an approximation to the exact construction of the model's one-partic le Green function.