Modified Dust-Acoustic Solitons by Adiabatic Variation of Dust Charges  

作　　者：XIE Bai-song HE Kai-fen HUANG Zu-qia 谢柏松;贺凯芬;黄祖洽(Institute of Low Energy Nuclear Physics,Beijing Normal University,Beijing 100875)

机构地区：[1]Institute of Low Energy Nuclear Physics,Beijing Normal University,Beijing 100875

出　　处：《Chinese Physics Letters》1998年第12期892-894,共3页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant No.19675006;in part by the Asia-Africa Association for Plasma Training,and Association for Plasma Study of China.

摘　　要：By the multi-scale expansion method an effect of adiabatic variation of dust charges on dust-acoustic soliton is investigated.It is found that the amplitude of the soliton decreases while its width narrows in comparison with the case of constant dust charges.

关 键 词：SOLITON CHARGES NARROW 

分 类 号：O41[理学—理论物理]