ELECTRON CORRELATION IN THE EXCITED-STATE OF CONJUGATED POLYMERS

被引：0
|
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
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D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Correlation effects in the excited state of conjugated polymers are investigated. In the presence of an additional electron or hole, the correlation induces a polarization cloud around the additional particle, which forms a polaron. For the excitation energy of a polaron, there is a competition between a loss of the correlation energy and a gain of the polarization energy. The calculation on correlation effects of the band gap has been done for both the Hubbard model and long-range interactions.
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页码：675 / 676
页数：2
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