Journal
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
Volume -, Issue -, Pages -Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/dcds.2023142
Keywords
NLS; soliton-potential interactions; soliton transmission; soliton dynamics; NLS with potential
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We investigate the dynamics of an accelerated soliton in the cubic nonlinear Schrödinger equation with an external potential. We find that for sufficiently large velocities, the soliton can effectively transmit through the potential. This result extends previous studies on delta potentials with or without linear bound states.
We consider the dynamics of a boosted soliton evolving under the cubic NLS with an external potential. We show that for sufficiently large velocities, the soliton is effectively transmitted through the potential. This result extends work of Holmer, Marzuola, and Zworski [11], who considered the case of a delta potential with no bound states, and work of Datchev and Holmer [4], who considered the case of a delta potential with a linear bound state.
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