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Anisotropic dipolar vortex quantum droplets in an annular potential

Author

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  • Huang, Hao
  • Wang, Hongcheng
  • Lim, Chin Seong
  • Wong, Kok-Cheong

Abstract

Two-dimensional dipolar Bose–Einstein condensates confined within an annular potential are investigated. Stable ring-shaped anisotropic dipolar vortex quantum droplets are discovered in this configuration. These droplets remain stable under the influence of the annular potential, even with embedded vorticity up to 11. The stability regions of dipolar vortex droplets with varying embedded vorticity are confirmed through long time evolution. The characteristic parameters of the dipolar vortex droplets are systematically studied, and their existence curves are shown to contradict the well-known V–K criterion. Additionally, the shape transformation of dipolar vortex droplets induced by the strength of the mean-field interaction is examined. Finally, the behavior of dipolar vortex droplets confined within a wake-depth annular potential is also discussed.

Suggested Citation

  • Huang, Hao & Wang, Hongcheng & Lim, Chin Seong & Wong, Kok-Cheong, 2025. "Anisotropic dipolar vortex quantum droplets in an annular potential," Chaos, Solitons & Fractals, Elsevier, vol. 190(C).
    • Handle: RePEc:eee:chsofr:v:190:y:2025:i:c:s0960077924013146
    DOI: 10.1016/j.chaos.2024.115762
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    References listed on IDEAS

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    1. Dong, Liangwei & Fan, Mingjing & Malomed, Boris A., 2024. "Three-dimensional vortex and multipole quantum droplets in a toroidal potential," Chaos, Solitons & Fractals, Elsevier, vol. 188(C).
    2. Dong, Liangwei & Fan, Mingjing & Malomed, Boris A., 2024. "Stable higher-order vortex quantum droplets in an annular potential," Chaos, Solitons & Fractals, Elsevier, vol. 179(C).
    3. Huang, Hao & Wang, Hongcheng & Chen, Guihua & Chen, Manna & Lim, Chin Seong & Wong, Kok-Cheong, 2023. "Stable quantum droplets with higher-order vortex in radial lattices," Chaos, Solitons & Fractals, Elsevier, vol. 168(C).
    4. Huang, Hao & Wang, Hongcheng & Chen, Manna & Lim, Chin Seong & Wong, Kok-Cheong, 2022. "Binary-vortex quantum droplets," Chaos, Solitons & Fractals, Elsevier, vol. 158(C).
    5. Matthias Schmitt & Matthias Wenzel & Fabian Böttcher & Igor Ferrier-Barbut & Tilman Pfau, 2016. "Self-bound droplets of a dilute magnetic quantum liquid," Nature, Nature, vol. 539(7628), pages 259-262, November.
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