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首页> 外文期刊>Discrete and continuous dynamical systems >BLOW-UP, GLOBAL EXISTENCE AND STANDING WAVES FOR THE MAGNETIC NONLINEAR SCHRODINGER EQUATIONS
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BLOW-UP, GLOBAL EXISTENCE AND STANDING WAVES FOR THE MAGNETIC NONLINEAR SCHRODINGER EQUATIONS

机译:磁性非线性Schrodinger方程的爆破,整体存在性和平稳波动

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摘要

We study blow-up, global existence and standing waves for the nonlinear Schrodinger equations with two-dimensional magnetic field in a cold plasma. Under certain conditions on initial data and initial energy, we derive finite time blow-up phenomena of the solutions to the equations under study. Using compactness and Lagrange multiplier method, we establish the existence of standing waves. Finally, by introducing invariant manifolds and utilizing potential well argument as well as concavity method, we obtain the sharp threshold for global existence and blowup.
机译:我们研究冷等离子体中具有二维磁场的非线性Schrodinger方程的爆炸,整体存在和驻波。在初始数据和初始能量的特定条件下,我们得出了所研究方程组解的有限时间爆炸现象。使用紧致度和拉格朗日乘数法,我们建立了驻波的存在。最后,通过引入不变流形并利用势阱参数和凹度方法,我们获得了整体存在和爆炸的尖锐阈值。

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