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

Lovegrove, Justin, Borgh, Magnus O. ORCID: https://orcid.org/0000-0003-4243-7051 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 (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Quantum Fluids (former - to 2024) Faculty of Science > Research Groups > Centre for Photonics and Quantum Science Faculty of Science > Research Groups > Quantum Matter
Related URLs:	http://link.aps.org/doi/10.1103/PhysRevL...
Depositing User:	Pure Connector
Date Deposited:	13 Oct 2016 08:00
Last Modified:	07 Nov 2024 12:39
URI:	https://ueaeprints.uea.ac.uk/id/eprint/60903
DOI:	10.1103/PhysRevLett.112.075301

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