Abstract
We numerically demonstrate the unidirectional flow of flat-top solitons when interacting with two reflectionless potential wells with slightly different depths. The system is described by a nonlinear Schrödinger equation with dual nonlinearity. The results show that for shallow potential wells, the velocity window for unidirectional flow is larger than for deeper potential wells. A wider flat-top solitons also have a narrow velocity window for unidirectional flow than those for thinner flat-top solitons.
Original language | English |
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Article number | 129120 |
Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
Volume | 487 |
DOIs | |
Publication status | Published - Nov 5 2023 |
Externally published | Yes |
Keywords
- Flat-top soliton
- Reflectionless potential
- Unidirectional flow
ASJC Scopus subject areas
- General Physics and Astronomy