Time-dependent variational approach to the dynamics of the exciton self-trapping process

被引:3
|
作者
Tanaka, S [1 ]
Kayanuma, Y
机构
[1] Univ Osaka Prefecture, Coll Integrated Arts & Sci, Dept Mat Sci, Sakai, Osaka 5998531, Japan
[2] Univ Osaka Prefecture, Coll Engn, Sakai, Osaka 5998531, Japan
关键词
exciton self-trapping dynamics; time-resolved emission spectrum; time-dependent variational method;
D O I
10.1016/S0022-2313(99)00479-2
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a new theoretical method in the investigation of the exciton self-trapping dynamics in one-dimensional system based upon a time-dependent variational method. The time-resolved emission spectrum is calculated by this method. The effect of the exciton transfer allows a free exciton state to survive for some time just after photoexcitation, which is clearly reflected in the short-time behavior of the time-resolved emission spectrum. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:936 / 938
页数:3
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