Watching Dark Solitons Decay into Vortex Rings in a Bose-Einstein Condensate

2000/12/22 by Brian P. Anderson, B. P. Anderson, P. C. Haljan +7 · 22 citations
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Quantum, superfluid, helium dynamics #Strong Light-Matter Interactions #cond-mat

paper · pdf · doi:10.1103/physrevlett.86.2926

4 pages, 4 figures

arxiv created 2000/12/22 · openalex publication_date 2001/04/02 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We have created spatial dark solitons in two-component Bose-Einstein condensates in which the soliton exists in one of the condensate components and the soliton nodal plane is filled with the second component. The filled solitons are stable for hundreds of milliseconds. The filling can be selectively removed, making the soliton more susceptible to dynamical instabilities. For a condensate in a spherically symmetric potential, these instabilities cause the dark soliton to decay into stable vortex rings. We have imaged the resulting vortex rings.

Citations

• Vortices in a Bose-Einstein Condensate

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