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- Title
Two-dimensional anisotropic vortex–bright soliton and its dynamics in dipolar Bose–Einstein condensates in optical lattice.
- Authors
Tan, Zhi; Gong, Huilin; Zhu, Bo; Zhong, Honghua; Hu, Shufang
- Abstract
We study construction and dynamics of two-dimensional (2D) anisotropic vortex–bright (VB) soliton in spinor dipolar Bose–Einstein condensates confined in a 2D optical lattice (OL), with two localized components linearly mixed by the spin–orbit coupling and long-range dipole–dipole interaction (DDI). It is found that the OL and DDI can support stable anisotropic VB soliton in the present setting for arbitrarily small value of norm N. We then present a new method via examining the mean square error of norm share of bright component to implement stability analysis. It is revealed that one can control the stability of anisotropic VB soliton only by adjusting OL depth for a fixed DDI. In addition, the dynamics of the anisotropic VB soliton was studied by applying the kick to them. The mobility of the single kicked VB soliton is Rabbi-like oscillation. However, for the collision dynamics of two kicked anisotropic VB solitons, their properties mainly depend on their initial distance and OL, and they can realize the transition from the bright component to the vortex component. Our work may provide a convenient way to prepare and manipulate anisotropic VB soliton in high-dimensional space.
- Subjects
BOSE-Einstein condensation; OPTICAL lattices; SOLITONS; DIPOLE-dipole interactions; SPIN-orbit interactions
- Publication
Nonlinear Dynamics, 2023, Vol 111, Issue 10, p9467
- ISSN
0924-090X
- Publication type
Article
- DOI
10.1007/s11071-023-08335-8