THE CHARGE-TRANSFER GAP WITHIN THE GUTZWILLER APPROXIMATION

被引：8

作者：

HAYN, R

SCHUMANN, R

机构：

[1] Laboratory for Theoretical Physics, Joint Institute for Nuclear Research, Moscow

来源：

PHYSICA C | 1991年 / 174卷 / 1-3期

关键词：

D O I：

10.1016/0921-4534(91)90437-4

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The occurrence of charge transfer gaps caused by electron-electron correlation is discussed for the Emergy model. The phase diagram, the correlation dependence of the gapwidth and the thermodynamical density of states is given to demonstrate the different parameter regions of the model.

引用

页码：199 / 207

页数：9

共 21 条

[1] ELECTRONIC-PROPERTIES OF HIGH-TC SUPERCONDUCTORS [J].

BALSEIRO, CA ;

AVIGNON, M ;

ROJO, AG ;

ALASCIO, B .

PHYSICAL REVIEW LETTERS, 1989, 62 (22) :2624-2627

[2]

BECKER KW, IN PRESS Z PHYSIK B

[3] 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

[4] CORRELATIONS AND INSULATING STATE IN LA2CUO4 [J].

CYROT, M ;

MAYOU, D .

PHYSICAL REVIEW B, 1990, 41 (07) :4033-4037

[5] CHARGE-TRANSFER GAP FROM A MONTE-CARLO SIMULATION OF THE 3-BAND HUBBARD-MODEL [J].

DOPF, G ;

KRAFT, T ;

MURAMATSU, A ;

HANKE, W .

PHYSICA B, 1990, 165 :1015-1016

[6]

EMERY VJ, 1987, PHYS REV LETT, V58, P2795

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

GUTZWILLER, MC .

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

[8]

HAYN R, 1990, PHYSICA C, V176, P359

[9] FERMI-LIQUID DESCRIPTION OF LA2-XSRCUO4 [J].

KOTLIAR, G ;

LEE, PA ;

READ, N .

PHYSICA C, 1988, 153 :538-542

[10] TWO-DIMENSIONAL ELECTRON-DENSITY OF STATES IN A TRANSVERSE MAGNETIC-FIELD [J].

KUKUSHKIN, IV ;

MESHKOV, SV ;

TIMOFEYEV, VB .

USPEKHI FIZICHESKIKH NAUK, 1988, 155 (02) :219-264

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