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Stability of standing waves for nonlinear Schrödinger equation with attractive delta potential and repulsive nonlinearity. (English) Zbl 1191.35254

Summary: We study the orbital stability of standing wave solutions for a nonlinear Schrödinger equation with an attractive delta potential and a repulsive power nonlinearity in a one space dimension.

MSC:

35Q55 NLS equations (nonlinear Schrödinger equations)
35B35 Stability in context of PDEs
37K40 Soliton theory, asymptotic behavior of solutions of infinite-dimensional Hamiltonian systems