Energetic Stability of Coreless Vortices in Spin-1 Bose-Einstein Condensates with Conserved Magnetization

Lovegrove, Justin, 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 0031-9007

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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: Article
Faculty \ School: Faculty of Science > School of Chemistry
Related URLs:
Depositing User: Pure Connector
Date Deposited: 13 Oct 2016 09:00
Last Modified: 25 Jul 2018 12:46
URI: https://ueaeprints.uea.ac.uk/id/eprint/60903
DOI: 10.1103/PhysRevLett.112.075301

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