IS A CONJUGATED POLYMER A MOTT OR A PEIERLS INSULATOR

被引：2
|
作者：
SUN, X
SHUAI, Z
LIU, J
FU, R
LI, XS
LIN, DL
GEORGE, TF
机构：
[1] FUDAN UNIV,DEPT PHYS,SHANGHAI,PEOPLES R CHINA
[2] SUNY BUFFALO,DEPT PHYS & ASTRON,BUFFALO,NY 14260
[3] NANKAI INST MATH,TIANJIN,PEOPLES R CHINA
[4] CHINESE ACAD SCI,NATL LAB INFRARED PHYS,SHANGHAI,PEOPLES R CHINA
来源：
SYNTHETIC METALS | 1991年 / 43卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/0379-6779(91)91347-D
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By considering the full repulsion between electrons, it is found that the interaction range is a decisive factor to determine the effect of the electron interaction on the optical gap of the conjugated polymers. If the range is long, the gap is mainly produced by the electron interaction and the polymer is Mott insulator. But, if the range is short, the optical gap is suppressed by the electron interaction, then it is Peierls insulator.
引用
收藏
页码：3549 / 3552
页数：4
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