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- Publisher
- American Physical Society (APS)
- Copyright
- Copyright © 2008 The American Physical Society
- ISSN
- 1094-1622
- DOI
- 10.1103/PhysRevA.78.043602
- Publisher site
- See Article on Publisher Site
Abstract
A method to produce a spin-dependent rotating potential using near-resonant circularly polarized laser beams is proposed. It is shown that half-quantum vortices are nucleated in a spinor Bose-Einstein condensate (BEC) with an antiferromagnetic interaction. In contrast to the vortex nucleation in a scalar BEC, the spin-vortex nucleation occurs at a low rotation frequency ( ≃ 0.1 ω ⊥ with ω ⊥ being the radial trap frequency) in a short nucleation time ≃ 50 ms without dissipation. A method for nondestructive measurement of half-quantum vortices is discussed.
Journal
Physical Review A – American Physical Society (APS)
Published: Oct 1, 2008