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Coreless Vortex Formation in a Spinor Bose-Einstein Condensate

2003; American Physical Society; Volume: 90; Issue: 14 Linguagem: Inglês

10.1103/physrevlett.90.140403

1092-0145

A. E. Leanhardt, Yong-il Shin, D. Kielpinski, Duncan Pritchard, Wolfgang Ketterle,

Strong Light-Matter Interactions

Coreless vortices were phase imprinted in a spinor Bose-Einstein condensate. The three-component order parameter of F=1 sodium condensates held in a Ioffe-Pritchard magnetic trap was manipulated by adiabatically reducing the magnetic bias field along the trap axis to zero. This distributed the condensate population across its three spin states and created a spin texture. Each spin state acquired a different phase winding which caused the spin components to separate radially.