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Abstract: We propose a phenomenological equation for the vortex line density inrotating Bose-Einstein condensates as a function of the angular speed. Thisequation provides a simple description of the gross features of the increase invortex number from the appearance of the first vortex to the theoreticalrigid-body result for high vortex density, and allows one to compare withanalogous situations in superfluid helium, after the suitable changes in therelevant parameters are made.



Autor: Michele Sciacca, David Jou, Maria Stella Mongioví

Fuente: https://arxiv.org/







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