Orbital stability of standing waves for the nonlinear Schrödinger equation with attractive delta potential and double power repulsive nonlinearity

Orbital stability of standing waves for the nonlinear Schrödinger equation with attractive delta potential and double power repulsive nonlinearity
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具有吸引δ势和双幂排斥非线性的非线性薛定谔方程的驻波轨道稳定性

DOI:
10.1063/1.5097417
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发表时间:
2019
影响因子:
1.3
通讯作者:
R. Plaza
R. Plaza
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
J. Pava;C. H. Melo;R. Plaza

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本文考虑一维空间中具有吸引(聚焦)δ势和排斥(散焦)双幂非线性项的非线性薛定谔方程。它示出,通过明确的建设,驻波和平衡的解决方案确实存在某些参数制度。此外,通过极小化电荷/能量泛函,证明了这两种类型的波解在方程的流动下是轨道稳定的。
In this paper, a nonlinear Schrodinger equation with an attractive (focusing) delta potential and a repulsive (defocusing) double power nonlinearity in one spatial dimension is considered. It is shown, via explicit construction, that both standing wave and equilibrium solutions do exist for certain parameter regimes. In addition, it is proved that both types of wave solutions are orbitally stable under the flow of the equation by minimizing the charge/energy functional.
DOI: 10.2996/kmj/1138043354
发表时间: 1995
影响因子: 0.6
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DOI: --
发表时间: 2023
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DOI: --
发表时间: 2008
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作者:
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