ELECTRON-HOLE INTERACTION IN A POLYENE

被引：1
|
作者：
WU, CQ [1 ]
SUN, X [1 ]
机构：
[1] FUDAN UNIV,DEPT PHYS,SHANGHAI 200433,PEOPLES R CHINA
来源：
SYNTHETIC METALS | 1995年 / 69卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/0379-6779(94)02620-E
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electron-hole interaction in a polyene is studied both for a short chain and at its thermodynamic limit. We find that there is a competition between the intra- and inter-site interactions for the electron-hole interaction. The former serves as a repulsive force between the electron and hole for a finite-long polyene while the latter as an attractive interaction. The excitonic slates should appear in the system with the electron-hole attractive interaction.
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页码：697 / 698
页数：2
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