Control of Light-Atom Solitons and Atomic Transport by Optical Vortex Beams Propagating through a Bose-Einstein Condensate

被引：14

作者：

Henderson, Grant W. ^{[1
,2
]}

Robb, Gordon R. M. ^{[1
,2
]}

Oppo, Gian-Luca ^{[1
,2
]}

Yao, Alison M. ^{[1
,2
]}

机构：

[1] Univ Strathclyde, Dept Phys, Glasgow G4 0NG, Scotland

[2] SUPA, Glasgow G4 0NG, Scotland

来源：

PHYSICAL REVIEW LETTERS | 2022年 / 129卷 / 07期

基金：

欧盟地平线“2020”; 英国工程与自然科学研究理事会;

关键词：

ORBITAL ANGULAR-MOMENTUM; DIFFRACTION; LASER;

D O I：

10.1103/PhysRevLett.129.073902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We model propagation of far-red-detuned optical vortex beams through a Bose-Einstein condensate using nonlinear Schrodinger and Gross-Pitaevskii equations. We show the formation of coupled light-atomic solitons that rotate azimuthally before moving off tangentially, carrying angular momentum. The number, and velocity, of solitons, depends on the orbital angular momentum of the optical field. Using a Bessel-Gauss beam increases radial confinement so that solitons can rotate with fixed azimuthal velocity. Our model provides a highly controllable method of channeling a BEC and atomic transport.

引用

页数：5

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