Interaction of a dark soliton with a localized impurity
V. V. Konotop, V. M. Pérez-García, Y. F. Tang, L. Vázquez
Physics Letters A, 236, 314-318 (1997).
MOLAB authors
The interaction of a dark soliton governed by the nonlinear Schrödinger equation with a localized impurity is studied by means of a modified adiabatic approximation and direct numerical simulations. The prominent role of the rapidly varying phase excited during the interaction is illustrated.