Anisotropic dipolar vortex quantum droplets in an annular potential

IF 5.3 1区 数学 Q1 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS Chaos Solitons & Fractals Pub Date : 2024-11-26 DOI:10.1016/j.chaos.2024.115762
Hao Huang , Hongcheng Wang , Chin Seong Lim , Kok-Cheong Wong
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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.
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环形势能中的各向异性双极涡旋量子液滴
研究了限制在环形势能内的二维二极玻色-爱因斯坦凝聚体。在这种构造中发现了稳定的环形各向异性双极性涡旋量子液滴。这些液滴在环形势的影响下保持稳定,即使嵌入涡度高达 11。通过长时间演化,证实了内含涡度不同的双极性涡旋液滴的稳定区域。系统研究了偶极涡滴的特征参数,并证明其存在曲线与著名的 V-K 准则相矛盾。此外,还研究了平均场相互作用强度引起的双极性涡滴的形状变化。最后,还讨论了被限制在唤醒深度环形势中的偶极涡滴的行为。
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来源期刊
Chaos Solitons & Fractals
Chaos Solitons & Fractals 物理-数学跨学科应用
CiteScore
13.20
自引率
10.30%
发文量
1087
审稿时长
9 months
期刊介绍: Chaos, Solitons & Fractals strives to establish itself as a premier journal in the interdisciplinary realm of Nonlinear Science, Non-equilibrium, and Complex Phenomena. It welcomes submissions covering a broad spectrum of topics within this field, including dynamics, non-equilibrium processes in physics, chemistry, and geophysics, complex matter and networks, mathematical models, computational biology, applications to quantum and mesoscopic phenomena, fluctuations and random processes, self-organization, and social phenomena.
期刊最新文献
Editorial Board PINN-wf: A PINN-based algorithm for data-driven solution and parameter discovery of the Hirota equation appearing in communications and finance Vector gap solitons of two-component Bose gas in twisted-bilayer optical lattice Anisotropic dipolar vortex quantum droplets in an annular potential Double-flattop quantum droplets in low-dimensional Bose–Bose mixtures
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