On a “Zero Mass” Nonlinear Schrödinger Equation

On a “Zero Mass” Nonlinear Schrödinger Equation
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DOI:
10.1515/ans-2007-0406
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发表时间:
2006-09
影响因子:
1.8
通讯作者:
A. Azzollini;A. Pomponio
A. Azzollini;A. Pomponio
中科院分区:
数学3区
文献类型:
--
作者:
A. Azzollini;A. Pomponio

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摘要我们在ℝN中寻找非线性薛定谔方程−Ɛ2∆u−V(X)f‘(U)=0的正解,其中V是连续的有界正势,f满足特定的增长条件,使我们的问题落入所谓的“零质量情形”。我们证明了任意Ɛ>0的一个存在性结果,以及Ɛ充分小的一个重数结果。
Abstract We look for positive solutions to the nonlinear Schrödinger equation −Ɛ2∆u − V (x)f′(u) = 0 in ℝN, where V is a continuous bounded positive potential and f satisfies particular growth conditions which make our problem fall in the so called “zero mass case”. We prove an existence result for any Ɛ > 0, and a multiplicity result for Ɛ sufficiently small.