Rydberg-induced vortices: Self-trapping matter waves in supersolid spin-orbit-coupled Bose gases

Silin Chen, Hui Guo, Ya-Jun Wang, Xueying Yang and Tao Yang

Chaos, Solitons & Fractals, 2025, vol. 196, issue C

Abstract: Vortices as fundamental topological excitations are ubiquitous in nature and have attracted great interest in diverse contexts of science and engineering. We find a variety of novel topological defects in Rydberg-dressed Bose gas with spin-orbit coupling theoretically. A quantized vortex spontaneously breaks its azimuthal invariance, leading to the formation of discrete vortex around the supersolid crystal cells with discrete rotational symmetry. For strongly interacting case, high-order vortex characterized by a nonzero radial quantum number, can be stabilized in the unit cell within the supersolid phase. These topological defects are self-trapping and sustained by balancing the nonlocal Rydberg interaction and spin-orbit coupling, which are generally inaccessible in a conventional superfluid and observable by in situ imaging.

Keywords: Bose-Einstein condensate; Rydberg interaction; Spin-orbit-coupling; Vortices (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:196:y:2025:i:c:s0960077925003285

DOI: 10.1016/j.chaos.2025.116315

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