GENERALIZED GUTZWILLER METHOD FOR N-GREATER-THAN-OR-EQUAL-TO-2 CORRELATED BANDS - FIRST-ORDER METAL-INSULATOR TRANSITIONS

Authors
BUNEMANN J WEBER W
Citation
J. Bunemann et W. Weber, GENERALIZED GUTZWILLER METHOD FOR N-GREATER-THAN-OR-EQUAL-TO-2 CORRELATED BANDS - FIRST-ORDER METAL-INSULATOR TRANSITIONS, Physical review. B, Condensed matter, 55(7), 1997, pp. 4011-4014
Citations number
25
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
55
Issue
7
Year of publication
1997
Pages
4011 - 4014
Database
ISI
SICI code
0163-1829(1997)55:7<4011:GGMFNC>2.0.ZU;2-R
Abstract
We have generalized the Gutzwiller method to the cases of n greater th an or equal to 2 correlated bands and report studies on a degenerate t wo-band model with Hund's rule type on-site interactions. At half band filling the metal-insulator transitions are usually of first order.