Understanding of the Vortex Lattice Behavior Induced by Selective Removal of Atoms from a Bose-Einstein Condensate

Details Understanding of the Vortex Lattice Behavior Induced by Selective Removal of Atoms from a Bose-Einstein Condensate Understanding of the Vortex Lattice Behavior Induced by Selective Removal of Atoms from a Bose-Einstein Condensate

2003-06-24

arxiv.org/abs/cond-mat/0306607v3

Journal of Physics B: Atomic, Molecular and Optical Physics, 38, 377 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 3 figures, published version

Scientific paper

10.1088/0953-4075/38/4/005

It is known that the quantized vortices in a superfluid can be described by a dual electromagnetic model through the duality transformation. Recently a new technique, which can selectively remove atoms from a Bose-Einstein condensate, was applied to the vortex lattice state of the rapid rotating Boson gases. The increase of vortex number, dynamical formation of giant vortex, the oscillation and damping of vortex motion were observed in these experiments. In this paper we will discuss these observations in the framework of dual description and show how to understood these observations naturally.

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