Three Types of Expression in Dark-Soliton Perturbation Theory Based on Squared Jost Solutions

Three types of expression in the dark-soliton perturbation theory based on squared Jost solutions are invesgigaged in ghis paper. It is shown that there are three formally different results about the effects of perturbagion on a dark soliton, and it is proved by means of a transformation between two...

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Bibliographic Details
Published in:Communications in theoretical physics 2007-01, Vol.47 (1), p.15-18
Main Author: AO Sheng-Mei YAN Jia-Ren
Format: Article
Language:English
Subjects:
一阶修正
孤波扰动理论
孤波解
孤波速度
平方解
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Summary:Three types of expression in the dark-soliton perturbation theory based on squared Jost solutions are invesgigaged in ghis paper. It is shown that there are three formally different results about the effects of perturbagion on a dark soliton, and it is proved by means of a transformation between two integral variables that they are essentially equivalent.
ISSN:0253-6102
DOI:10.1088/0253-6102/47/1/003