Stable higher-charge vortex droplets governed by quantum fluctuations in three dimensions

Dong, Liangwei; Fan, Meigong

doi:10.1016/j.chaos.2023.113728

Cited by 10 publications

(1 citation statement)

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“…Effects of various potential traps, such as the harmonic [113] and anharmonic [114] oscillator potentials, radial periodic lattices, [72] and others were also studied in the context of two-component BECs. These works investigated properties of VQDs, including their existence, stability, and evolutionary dynamics.…”

Section: Reviewmentioning

confidence: 99%

Vortex Quantum Droplets under Competing Nonlinearities

Chen 陈,

Wang 王,

Deng 邓

et al. 2024

Chinese Phys. Lett.

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This concise review summarizes recent advancements in theoretical studies of vortex quantum droplets (VQDs) in matter-wave fields. These are robust self-trapped vortical states in two- and three-dimensional (2D and 3D) Bose-Einstein condensates (BECs) with intrinsic nonlinearity. Stability of VQDs is provided by additional nonlinearities resulting from quantum fluctuations around mean-field states, often referred to as the Lee-Huang-Yang (LHY) corrections. The basic models are presented, with emphasis on the interplay between the mean-field nonlinearity, LHY correction, and spatial dimension, that determines the structure and stability of VQDs. We embark by delineating fundamental properties of VQDs in the 3D free space, followed by consideration of their counterparts in the 2D setting. Additionally, we address stabilization of matter-wave VQDs by optical potentials. Finally, we summarize results for the study of VQDs in the single-component BEC of atoms carrying magnetic moments. In that case, the anisotropy of the long-range dipole-dipole interactions endows the VQDs with unique characteristics. The results produced by the theoretical studies in this area directly propose experiments for the observation of novel physical effects in the realm of quantum matter, and suggest potential applications to the design of new schemes for processing classical and quantum information.

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Section: Reviewmentioning

confidence: 99%