Observation of dense collisional soliton complexes in a two-component Bose-Einstein condensate

被引:2
|
作者
Mossman, Sean M. [1 ,2 ]
Katsimiga, Garyfallia C. [3 ,4 ]
Mistakidis, Simeon I. [3 ]
Romero-Ros, Alejandro [5 ]
Bersano, Thomas M. [2 ]
Schmelcher, Peter [5 ,6 ]
Kevrekidis, Panayotis G. [4 ]
Engels, Peter [2 ]
机构
[1] Univ San Diego, Dept Phys & Biophys, San Diego, CA 92110 USA
[2] Washington State Univ, Dept Phys & Astron, Pullman, WA 99164 USA
[3] Missouri Univ Sci & Technol, Dept Phys, Rolla, MO 65409 USA
[4] Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA
[5] Univ Hamburg, Ctr Opt Quantum Technol, Dept Phys, Luruper Chaussee 149, D-22761 Hamburg, Germany
[6] Univ Hamburg, Hamburg Ctr Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany
来源
COMMUNICATIONS PHYSICS | 2024年 / 7卷 / 01期
基金
美国国家科学基金会;
关键词
EQUATION;
D O I
10.1038/s42005-024-01659-w
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Solitons are nonlinear solitary waves which maintain their shape over time and through collisions, occurring in a variety of nonlinear media from plasmas to optics. We present an experimental and theoretical study of hydrodynamic phenomena in a two-component atomic Bose-Einstein condensate where a soliton array emerges from the imprinting of a periodic spin pattern by a microwave pulse-based winding technique. We observe the ensuing dynamics which include shape deformations, the emergence of dark-antidark solitons, apparent spatial frequency tripling, and decay and revival of contrast related to soliton collisions. For the densest arrays, we obtain soliton complexes where solitons undergo continued collisions for long evolution times providing an avenue towards the investigation of soliton gases in atomic condensates. Solitons are nonlinear, stable and coherent solitary wave structures that have been investigated in a variety of systems from optics to plasma physics. The authors experimentally and theoretically investigate the dynamics of soliton arrays in a two-component Bose-Einstein condensate.
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页数:5
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