摘要
本文从SSH模型出发,用三阶含时微扰研究了一级体系的非线性光学系数.说明了电子-晶格耦合对非线性极化的影响.对聚乙炔的三次谐波产生系数给出了与实验相符的结果.
Starting from SSH model and applying the third-order time-dependent perturbation theory, the optical nonlinear susceptibility of one dimensional system has been studied.The effect of electron-lattice coupling on the nonlinear susceptibility is explained. The calculated third harmonic generation of polyacetylene is in good agreement with the measured data,
出处
《发光学报》
EI
CAS
CSCD
北大核心
1991年第1期47-50,共4页
Chinese Journal of Luminescence
基金
国家自然科学基金
863-715课题
