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Ring dark solitons and vortex necklaces in Bose-Einstein condensates
Dark soliton condensate cluster vortex pair oscillation
2014/12/29
We introduce the concept of ring dark solitons in Bose-Einstein condensates. We show that relatively shallow rings are not subject to the snake instability, but a deeper ring splits into a robust ring...
Stabilizing the discrete vortex of topological charge S=2
Discrete vortex instability topological charge the lattice model analysis model the linear stability of discrete vortex
2014/12/29
We study the instability of the discrete vortex with topological charge S=2 in a prototypical lattice model and observe its mediation through the central lattice site. Motivated by this finding, we an...
Three-Dimensional Nonlinear Lattices: From Oblique Vortices and Octupoles to Discrete Diamonds and Vortex Cubes
Topology discrete nonlinear schrodinger equation condensate light lattice crystal
2014/12/25
We construct a variety of novel localized topological structures in the 3D discrete nonlinear Schrödinger equation. The states can be created in Bose-Einstein condensates trapped in strong optica...
Vortex structures formed by the interference of sliced condensates
Vortex and vortex ring structure condensate
2014/12/24
We study the formation of vortices, vortex necklaces, and vortex ring structures as a result of the interference of higher-dimensional Bose-Einstein condensates (BECs). This study is motivated by earl...
Dynamics of vortex formation in merging Bose-Einstein condensate fragments
Condensation of vortex bose-einstein condensate independent optical potential
2014/12/24
We study the formation of vortices in a Bose-Einstein condensate (BEC) that has been prepared by allowing isolated and independent condensed fragments to merge together. We focus on the experimental s...
Vortex solutions of the discrete Gross-Pitaevskii equation starting from the anti-continuum limit
Dark vortex dynamic evolution two-dimensional discrete nonlinear schrodinger defocused model
2014/12/24
In this paper, we consider the existence, stability and dynamical evolution of dark vortex states in the two-dimensional defocusing discrete nonlinear Schrödinger model, a model of interest both ...
Stable Vortex–Bright-Soliton Structures in Two-Component Bose-Einstein Condensates
Numerical two-component structure condensate ordinary topological charge symbiotic state defocusing eddy
2014/12/24
We report the numerical realization of robust two-component structures in 2D and 3D Bose-Einstein condensates with nontrivial topological charge in one component. We identify a stable symbiotic state ...
Multibreather and vortex breather stability in Klein–Gordon lattices: Equivalence between two different approaches
Multibreather configuration stability discrete respirator the coupled oscillator
2014/12/24
In this work, we revisit the question of stability of multibreather configurations, i.e., discrete breathers with multiple excited sites at the anti-continuum limit of uncoupled oscillators. We presen...