Quantum vortices in optical lattices
arXiv:cond-mat/0701439 · doi:10.1103/PhysRevA.76.023616
Abstract
A vortex in a superfluid gas inside an optical lattice can behave as a massive particle moving in a periodic potential and exhibiting quantum properties. In this Letter we discuss these properties and show that the excitation of vortex motions in a two-dimensional lattice can lead to striking measurable changes in its dynamic response. It would be possible by means of Bragg spectroscopy to carry out the first direct measurement of the effective vortex mass, the pinning to the underlying lattice, and the dissipative damping.
4 pages, 1 figure
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Cited by in corpus (9)
- Rapidly Rotating Atomic Gases
- Origin of chaos near critical points of quantum flow
- Quasi-angular momentum of Bose and Fermi gases in rotating optical lattices
- Self-interfering matter-wave patterns generated by a moving laser obstacle in a two-dimensional Bose-Einstein condensate inside a power trap cut off by box potential boundaries
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- Hydrodynamic signatures and spectral properties of the quantum vortex