中国物理B ›› 2005, Vol. 14 ›› Issue (1): 28-32.doi: 10.1088/1009-1963/14/1/006
颜家壬, 敖胜美, 俞慧友
Yan Jia-Ren (颜家壬), Ao Sheng-Mei (敖胜美), Yu Hui-You (俞慧友)
摘要: A direct approach to perturbation theory for the nonlinear Schr\"{o}dinger equation is developed based on the separation of variables. The first-order effects of perturbation on a bright soliton, i.e. the slow time dependence of soliton parameters and the first-order correction are derived.
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