Abstract
This paper deals with the competitive power nonlinear Schrödinger equation, which originates from the cubic-quintic model in physics. The equation admits infinitely many excited solitons, and the Cauchy problem is globally well-posed in the energy space. In terms of Côte and Le Coz’s argument, high-speed excited multi-solitons of the equation are constructed, which extend Côte and Le Coz’s results from the focusing nonlinear cases to the competitive nonlinear cases combining the focusing nonlinearities and defocusing nonlinearities.
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This research is supported by the National Natural Science Foundation of China 11871138.
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Bai, M., Zhang, J. High-speed excited multi-solitons in competitive power nonlinear Schrödinger equations. Z. Angew. Math. Phys. 73, 141 (2022). https://doi.org/10.1007/s00033-022-01774-0
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DOI: https://doi.org/10.1007/s00033-022-01774-0