期刊
JOURNAL OF MATHEMATICAL PHYSICS
卷 49, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2837429
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The long time dynamics of solitary wave solutions of the nonlinear Schrodinger equation in time-dependent external potentials is rigorously studied. To set the stage, the well-posedness of the Cauchy problem for a generalized nonautonomous nonlinear Schrodinger equation with time-dependent nonlinearities and potential is established. Afterward, the dynamics of NLS solitary waves in time-dependent potentials is studied. It is shown that in the space-adiabatic regime where the external potential varies slowly in space compared to the size of the soliton, the dynamics of the center of the soliton is described by Hamilton's equations, plus terms due to radiation damping. Finally, two physical applications are discussed: the first is adiabatic transportation of solitons and the second is the Mathieu instability of trapped solitons due to time-periodic perturbations. (C) 2008 American Institute of Physics.
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