APPLICATION OF A NOVEL CLUSTER-EFFECTIVE-FIELD THEORY TO THE 3-DIMENSIONAL HUBBARD-MODEL

Citation
H. Asakawa et M. Suzuki, APPLICATION OF A NOVEL CLUSTER-EFFECTIVE-FIELD THEORY TO THE 3-DIMENSIONAL HUBBARD-MODEL, Physica. B, Condensed matter, 212(2), 1995, pp. 149-157
Citations number
23
Categorie Soggetti
Physics, Condensed Matter
ISSN journal
09214526
Volume
212
Issue
2
Year of publication
1995
Pages
149 - 157
Database
ISI
SICI code
0921-4526(1995)212:2<149:AOANCT>2.0.ZU;2-A
Abstract
A scheme for evaluating the critical point of a phase transition in th e Hubbard model is formulated on the basis of the quantum-effective-fi eld theory and the super-effective-held theory. The phase diagrams obt ained by the present scheme are shown.