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Transition from vortices to solitonic vortices in trapped atomic Bose-Einstein condensates

Lookup NU author(s): Dr Matthew Edmonds, Professor Nick ParkerORCiD

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Abstract

Motivated by recent experiments, we study theoretically the dynamics of vortices in the crossover from two dimensions to one in atomic condensates in elongated traps. We explore the transition from the dynamics of a vortex to that of a dark soliton as the one-dimensional limit is approached, mapping this transition out as a function of the key system parameters. Moreover, we probe this transition dynamically through the hysteresis under time-dependent deformation of the trap at the dimensionality crossover. When the solitonic regime is probed during the hysteresis, significant angular momentum is lost from the system, but remarkably, the vortex can reemerge.

Publication metadata

Author(s): Tsatsos MC, Edmonds MJ, Parker NG

Publication type: Article

Publication status: Published

Journal: Physical Review A

Year: 2016

Volume: 94

Pages: 023627

Print publication date: 24/08/2016

Online publication date: 24/08/2016

Acceptance date: 07/08/2016

Date deposited: 24/08/2016

ISSN (print): 2469-9926

ISSN (electronic): 2469-9934

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevA.94.023627

DOI: 10.1103/PhysRevA.94.023627

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