4.4 Article

Dynamical evolution and decay of multi-charged quantum vortex in a Bose-Einstein condensate

Journal

LASER PHYSICS LETTERS
Volume 19, Issue 1, Pages -

Publisher

IOP Publishing Ltd
DOI: 10.1088/1612-202X/ac3d24

Keywords

Bose-Einstein condensates; multiply charged vortices; Kelvin waves

Funding

  1. FAPESP-CEPID [13/07276-1]
  2. CNPq-INCT [400751/2012-7]
  3. EPSRC [EP/I019413/1]
  4. Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [13/07276-1] Funding Source: FAPESP

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This study reports the observation of twisted decay of quadruply charged vortices in an atomic Bose-Einstein condensate. Numerical simulations confirm that singly-charged vortices resulting from the decay exhibit twisted, helical Kelvin waves.
We report the observation of the twisted decay of quadruply charged vortices taking place in an atomic Bose-Einstein condensate. Supporting numerical simulations show that the singly-charged vortices, which result from the decay of a multi-charged vortex, twist around intertwined in the shape of helical Kelvin waves.

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