Emergence and decay of turbulence in stirred atomic Bose-Einstein condensates

Details Emergence and decay of turbulence in stirred atomic Bose-Einstein condensates Emergence and decay of turbulence in stirred atomic Bose-Einstein condensates

2005-05-30

arxiv.org/abs/cond-mat/0505730v1

Phys. Rev. Lett. 95, 145301 (2005)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.95.145301

We show that a `weak' elliptical deformation of an atomic Bose-Einstein condensate rotating at close to the quadrupole instability frequency leads to turbulence with a Kolmogorov energy spectrum. The turbulent state is produced by energy transfer to condensate fragments that are ejected by the quadrupole instability. This energy transfer is driven by breaking the two-fold rotational symmetry of the condensate. Subsequently, vortex-sound interactions damp the turbulent state leading to the crystalization of a vortex lattice.

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