Mathematics – Analysis of PDEs
Scientific paper
2004-02-16
Mathematics
Analysis of PDEs
Final revision, accepted for publication
Scientific paper
We consider the standing wave solutions of the three dimensional semilinear Schrodinger equation with competing potential functions $V$ and $K$ and under the action of an external electromagnetic vector field $A$. We establish some necessary conditions for a sequence of such solutions to concentrate, in two different senses, around a given point. In the particular but important case of nonlinearities of power type, we prove that the spikes locate at the critical points of a smooth ground energy map independent of $A$.
Secchi Simone
Squassina Marco
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