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Vortex excitation in a stirred toroidal Bose-Einstein condensate

Yakimenko, A I; Isaieva, K O; Vilchinskii, S I; Ostrovskaya, Elena


Motivated by a recent experiment [K. C. Wright, Phys. Rev. A 88, 063633 (2013)PLRAAN1050-294710.1103/PhysRevA.88.063633], we investigate the microscopic mechanism for excitation of vortices and formation of a persistent current in an annular BEC stirred by a narrow blue-detuned optical beam. In the framework of a two-dimensional mean-field model, we study the dissipative dynamics of the condensate with parameters that reflect realistic experimental conditions. Vortex-antivortex pairs appear...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.91.023607
Access Rights: Open Access


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