Generalized gutzwiller method for n>=2 correlated bands: First-order metal-insulator transitions

被引：52

作者：

Bunemann, J

Weber, W

机构：

[1] Institut für Physik, Universität Dortmund

来源：

PHYSICAL REVIEW B | 1997年 / 55卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.55.4011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have generalized the Gutzwiller method to the cases of n greater than or equal to 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.

引用

页码：4011 / 4014

页数：4

共 25 条

[1] Application of Gutzwiller's variational method to the metal-insulator transition [J].

Brinkman, W. F. ;

Rice, T. M. .

PHYSICAL REVIEW B-SOLID STATE, 1970, 2 (10) :4302-4304

[2]

BUNEMANN J, UNPUB

[3] CORRELATION OF ELECTRONS IN A DEGENERATE BAND [J].

CHAO, KA ;

GUTZWILLER, MC .

JOURNAL OF APPLIED PHYSICS, 1971, 42 (04) :1420-+

[4] MAGNETIC TRANSITIONS IN A DEGENERATE BAND [J].

CHAO, KA .

PHYSICAL REVIEW B, 1971, 4 (11) :4034-&

[5] EFFECT OF ELECTRON CORRELATION IN A NARROW-BAND [J].

CHAO, KA .

PHYSICAL REVIEW B, 1973, 8 (03) :1088-1098

[6] GROUND-STATE PHASE-DIAGRAM OF THE INFINITE DIMENSIONAL HUBBARD-MODEL - A VARIATIONAL STUDY [J].

FAZEKAS, P ;

MENGE, B ;

MULLERHARTMANN, E .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1990, 78 (01) :69-80

[7] THEORY OF ITINERANT ANTIFERROMAGNETISM - ZERO-TEMPERATURE PROPERTIES [J].

FLORENCIO, J ;

CHAO, KA .

PHYSICAL REVIEW B, 1976, 14 (07) :3121-3129

[8] ELECTRON CORRELATION AND MAGNETISM IN NIS - IMPLICATIONS OF PHOTOEMISSION SPECTRA [J].

FUJIMORI, A ;

TERAKURA, K ;

TANIGUCHI, M ;

OGAWA, S ;

SUGA, S ;

MATOBA, M ;

ANZAI, S .

PHYSICAL REVIEW B, 1988, 37 (06) :3109-3112

[9] CORRELATION OF ELECTRONS IN A NARROW S BAND [J].

GUTZWILLER, MC .

PHYSICAL REVIEW, 1965, 137 (6A) :1726-+

[10] EFFECT OF CORRELATION ON FERROMAGNETISM OF TRANSITION METALS [J].

GUTZWILLER, MC .

PHYSICAL REVIEW LETTERS, 1963, 10 (05) :159-&

← 1 2 3 →