Discrete symmetries and 1/3-quantum vortices in condensates of F=2 cold atoms

Details Discrete symmetries and 1/3-quantum vortices in condensates of F=2 cold atoms Discrete symmetries and 1/3-quantum vortices in condensates of F=2 cold atoms

2006-10-05

arxiv.org/abs/cond-mat/0610162v4

Phys.Rev.Lett.98:100401,2007

Physics

Condensed Matter

Other Condensed Matter

4 pages, 2 figures included; published version

Scientific paper

10.1103/PhysRevLett.98.100401

In this Letter we study discrete symmetries of mean field manifolds of condensates of F=2 cold atoms, and various unconventional quantum vortices. Discrete quaternion symmetries result in two species of spin defects that can only appear in integer vortices while {\em cyclic} symmetries are found to result in a phase shift of $2\pi/3$ (or $4\pi/3$) and therefore 1/3- (or 2/3-) quantum vortices in condensates. We also briefly discuss 1/3-quantum vortices in condensates of trimers.

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