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Thomas Bartsch, Mona Parnet
The paper deals with standing wave solutions of the dimensionless nonlinear Schrödinger equation \label{eq:abs1} iΦ_t(x,t) = -Δ_xΦ+V_\la(x)Φ+ f(x,Φ), \quad x\in\R^N,\ t\in\R,\tag{$…