QUASILINEAR SCHRODINGER EQUATIONS INVOLVING CONCAVE AND CONVEX NONLINEARITIES

被引:110
作者
do O, Joao Marcos [1 ]
Severo, Uberlandio [1 ]
机构
[1] Univ Fed Paraiba, Dept Matemat, BR-58051900 Joao Pessoa, Paraiba, Brazil
关键词
Schrodinger equations; standing wave solutions; variational methods; nonlinearity with concave and convex terms; Orlicz spaces; SOLITON-SOLUTIONS; ELLIPTIC-EQUATIONS; EXISTENCE;
D O I
10.3934/cpaa.2009.8.621
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper the mountain-pass theorem and the Ekeland variational principle in a suitable Orlicz space are employed to establish the existence of positive standing wave solutions for a quasilinear Schrodinger equation involving a combination of concave and convex terms. The second order nonlinearity considered in this paper corresponds to the superfluid equation in plasma physics.
引用
收藏
页码:621 / 644
页数:24
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