The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
han shi jian ginzburg landau fang cheng de yi wei bo dong jie
Author(s): 
Pages: 93-96
Year: Issue:  3
Journal: Acta Scientiarum Naturalium Universitatis Neimongol

Keyword:  解方程波动解随机力拓扑方法传播速度连续介质远离平衡态有序结构类比介质参数;
Abstract: <正> H.Haken在“Synergetics”一书中,用相变类比的方法导出了含时间的GL方程=-aq-βq3+γΔq+(F) (1)用以描写在连续介质中远离平衡态的有序结构[1]。(1)式中的α,β,γ都是实参数,F是随机力。本文证明了在一维情形当随机力不存在时,方程(1)有双向的孤立性波动解。波的传播速度由初始激发分布在q=0处的形状决定。介质参数α,β,γ及qτ|q=0(其意义见下文)的值对波的行为有决定性影响。在解方程过程中,我们用了力学类比和拓扑方法,其要义如下。设γ>0,引入如下变换:
Related Articles
No related articles found