Disordered vortex arrays in a two-dimensional condensate
E. J. M. Madarassy, C. F. Barenghi
TL;DR
This paper proposes a method to induce turbulence in a 2D Bose-Einstein condensate by creating vortex arrays and imprinting phase differences, leading to disordered vortex motion as shown through numerical simulations.
Contribution
It introduces a novel technique to generate turbulence in a condensate by combining vortex array creation with phase imprinting, supported by numerical analysis.
Findings
Disordered vortex motion observed after phase imprinting
Method successfully induces turbulence in 2D condensate
Numerical simulations confirm the disordered vortex dynamics
Abstract
We suggest a method to create turbulence in a Bose-Einstein condensate. The method consists in, firstly, creating an ordered vortex array, and, secondly, imprinting a phase difference in different regions of the condensate. By solving numerically the two-dimensional Gross-Pitaevskii equation we show that the motion of the resulting positive and negative vortices is disordered.
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