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dc.contributor.authorHu, Yu-Xinen
dc.contributor.authorMiniatura, Christianen
dc.contributor.authorGrémaud, Benoîten
dc.identifier.citationHu, Y.-X., Miniatura, C., & Grémaud, B. (2015). Half-skyrmion and vortex-antivortex pairs in spinor condensates. Physical Review A, 92, 033615-.en
dc.description.abstractWe propose a simple experimental scheme to generate spin textures in the ground state of interacting ultracold bosonic atoms loaded in a two-dimensional harmonic trap. Our scheme is based on two copropagating Laguerre-Gauss laser beams illuminating the atoms and coupling two of their internal ground state Zeeman sublevels. Using a Gross-Pitaevskii description, we show that the ground state of the atomic system has different topological properties depending on the interaction strength and the laser beam intensity. A half-skyrmion state develops at low interactions while a vortex-antivortex pair develops at large interactions.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent8 p.en
dc.relation.ispartofseriesPhysical Review Aen
dc.rights©2015 American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at:[]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectBoson systemsen
dc.titleHalf-skyrmion and vortex-antivortex pairs in spinor condensatesen
dc.typeJournal Articleen
dc.contributor.researchInstitute of Advanced Studiesen
dc.description.versionPublished versionen
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