Biexcitons in Conjugated Polymers
YU Zhigang1 , LANG Caiyi1 , LIN Duliang2 , SUN Xin1
1 T. D. Lee Laboratory and Department of Physics, Fudan University, Shanghai 200433
2 Department of Physics, State University of New York, Buffalo, NY 14260, USA
Biexcitons in Conjugated Polymers
YU Zhigang1 ;LANG Caiyi1 ;LIN Duliang2 ;SUN Xin1
1 T. D. Lee Laboratory and Department of Physics, Fudan University, Shanghai 200433
2 Department of Physics, State University of New York, Buffalo, NY 14260, USA
关键词 ：
71.35.+z ,
71.45.Gm
Abstract ： The biexciton in conjugated polymers is studied in the Su-Schrieffer-Heeger model appended by a long-range Coulomb interaction. The wave function of the biexciton is constructed in the Heitler-London approach and, for the first time, the binding energy and radius of the biexciton in conjugated polymers is calculated.
Key words ：
71.35.+z
71.45.Gm
出版日期: 1995-11-01
:
71.35.+z
71.45.Gm
(Exchange, correlation, dielectric and magnetic response functions, plasmons)
[1]
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[2]
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1995, Vol. 12 
