中国物理B ›› 2010, Vol. 19 ›› Issue (10): 107801-107801.doi: 10.1088/1674-1056/19/10/107801
邓洪祥1, 向霞1, 祖小涛1, 蒋晓东2, 袁晓东2, 孙凯3, 高飞4, 郑万国5
Deng Hong-Xiang(邓洪祥)a), Jiang Xiao-Dong(蒋晓东)a)b)†, Xiang Xia(向霞) a), Sun Kai(孙凯)c), Yuan Xiao-Dong(袁晓东) a)b), Zheng Wan-Guo(郑万国)b), Gao Fei(高飞)d), and Zu Xiao-Tao(祖小涛) a)‡
摘要: A general formula for phonon-assisted n-photon absorption in solids is obtained by (n+1)-th order perturbation technique. The complicated calculation process for transition element of n-photon absorption is simply demonstrated by a diagram approach that is proposed in this work. We find that the transition element for the n-photon absorption has a simple form, i.e., it is just the first term of the n-th order fist kind Bessel function.
中图分类号: (Phonon interactions)