2014/12/14 by Shachar Klaiman, S Klaiman, Ofir E. Alon +1
Engineering · Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Current (fluid) #Fluid dynamics and aerodynamics studies #Object (grammar) #Phase diagram #Quantum, superfluid, helium dynamics #Tornado #Vortex #Work (physics) #cond-mat.quant-gas #quant-ph
paper · pdf · doi:10.1088/1742-6596/691/1/012015
published as J. Phys.: Conf. Ser. 691, 012015 (2016) · 5+eps+3 pages, 3+3 figures
arxiv created 2014/12/14 · openalex publication_date 2016/02/01 · arxiv updated 2016/03/10 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
A vortex in Bose-Einstein condensates is a localized object which looks much like a tiny tornado storm. It is well described by mean-field theory. In the present work we go beyond the current paradigm and introduce many-body vortices. These are made of spatially- partitioned clouds, carry definite total angular momentum, and are fragmented rather than condensed objects which can only be described beyond mean-field theory. A phase diagram based on a mean-field model assists in predicting the parameters where many-body vortices occur. Implications are briefly discussed.