非谐性
电荷(物理)
非线性系统
简谐运动
物理
简单(哲学)
谐波
非线性光学
量子电动力学
量子力学
认识论
哲学
标识
DOI:10.1103/physrevlett.22.787
摘要
A simple model is proposed which relates the anharmonic motion of the bond charge to the higher order nonlinear susceptibilities. Excellent agreement with experiment is found for both the second- and third-harmonic coefficients.
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