Energetic stability of coreless vortices in Spin-1 Bose-Einstein condensates with conserved magnetization

Lovegrove, Justin and Borgh, Magnus O. and Ruostekoski, Janne (2014) Energetic stability of coreless vortices in Spin-1 Bose-Einstein condensates with conserved magnetization. Physical review letters, 112 (7). ISSN 1079-7114

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Abstract

We show that conservation of longitudinal magnetization in a spinor condensate provides a stabilizing mechanism for a coreless vortex phase-imprinted on a polar condensate. The stable vortex can form a composite topological defect with distinct small- and large-distance topology: the inner ferromagnetic coreless vortex continuously deforms toward an outer singular, singly quantized polar vortex. A similar mechanism can also stabilize a nonsingular nematic texture in the polar phase. A weak magnetization is shown to destabilize a coreless vortex in the ferromagnetic phase.

Item Type:
Journal Article
Journal or Publication Title:
Physical review letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100
Subjects:
ID Code:
123701
Deposited By:
Deposited On:
26 Feb 2018 09:40
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Aug 2020 07:06