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Stability and instability of standing waves for the fractional nonlinear Schrödinger equations
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2021-05-13 , DOI: 10.1016/j.jde.2021.05.007 Binhua Feng , Shihui Zhu
中文翻译:
分数阶非线性薛定ding方程的驻波稳定性和不稳定性
更新日期:2021-05-14
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2021-05-13 , DOI: 10.1016/j.jde.2021.05.007 Binhua Feng , Shihui Zhu
In this paper, we make a comprehensive study for the orbital stability of standing waves for the fractional Schrödinger equation with combined power-type nonlinearities(FNLS) We prove that when and , there exist the standing waves of (FNLS), which are orbitally stable. When and , we present a new, simpler method to study the strong instability of standing waves. When , and , or and , or , and , we deduce that the ground state standing waves of (FNLS) are strongly unstable by blow-up.
中文翻译:
分数阶非线性薛定ding方程的驻波稳定性和不稳定性
在本文中,我们对结合功率类型非线性(FNLS)的分数Schrödinger方程的驻波轨道稳定性进行了全面研究。 我们证明 和 ,存在轨道稳定的(FNLS)驻波。什么时候 和 ,我们提出了一种新的,更简单的方法来研究驻波的强不稳定性。什么时候, 和 , 或者 和 , 或者 , 和 ,我们推论(FNLS)的基态驻波由于爆炸而非常不稳定。