Self-Focusing in the Damped Nonlinear Schrödinger Equation

Self-Focusing in the Damped Nonlinear Schrödinger Equation
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DOI:
10.1137/s0036139999362609
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发表时间:
2001
期刊:
SIAM J. Appl. Math.
影响因子:
--
通讯作者:
G. Fibich
G. Fibich
中科院分区:
其他
文献类型:
--
作者:
G. Fibich

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分析了阻尼(吸收)对临界自聚焦的影响。我们为阻尼参数$\Delta$确定一个阈值$\Delta_{th}$,使得当$\Delta%gt;\Delta_{th}$阻尼力阻止爆破时。当β=1时,解以与无阻尼非线性薛定谔方程相同的渐近速度爆破。
We analyze the effect of damping (absorption) on critical self-focusing. We identify a threshold value $\delta_{th}$ for the damping parameter $\delta$ such that when $\delta%gt; \delta_{th}$ damping arrests blowup. When $\delta < \delta_{th}$, the solution blows up at the same asymptotic rate as the undamped nonlinear Schrodinger equation.