Stability of the rarefaction wave for a two-fluid plasma model with diffusion

被引:26
作者
Duan RenJun [1 ]
Liu ShuangQian [2 ]
Yin HaiYan [3 ]
Zhu ChangJiang [4 ]
机构
[1] Chinese Univ Hong Kong, Dept Math, Hong Kong 999077, Hong Kong, Peoples R China
[2] Jinan Univ, Dept Math, Guangzhou 510632, Guangdong, Peoples R China
[3] Huaqiao Univ, Sch Math Sci, Quanzhou 362021, Peoples R China
[4] S China Univ Technol, Sch Math, Guangzhou 510641, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
two-fluid plasma model; rarefaction wave; stability; STOKES-POISSON SYSTEM; GLOBAL EXISTENCE; NAVIER; EQUATIONS; LIMIT;
D O I
10.1007/s11425-015-5059-4
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We study the large-time asymptotics of solutions toward the weak rarefaction wave of the quasineutral Euler system for a two-fluid plasma model in the presence of diffusions of velocity and temperature under small perturbations of initial data and also under an extra assumption theta(i),+/theta(e),(+) = theta(i),/theta(e,-) >= m(i)/2m(e) namely, the ratio of the thermal speeds of ions and electrons at both far fields is not less than one half. Meanwhile, we obtain the global existence of solutions based on energy method.
引用
收藏
页码:67 / 84
页数:18
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