Volume 84, Number 6, December 2008
|Number of page(s)||5|
|Published online||12 January 2009|
Spin mixing in colliding spinor condensates: Formation of an effective barrier
Departament d'Estructura i Constituents de la Matèria, Universitat de Barcelona - E-08028 Barcelona, Spain, EU
2 Department of Physics and Astronomy, University College London - London WC1E 6BT, UK, EU
Corresponding author: email@example.com
Accepted: 19 November 2008
The dynamics of spinor condensates initially prepared in a double-well potential is studied in the mean-field approach. It is shown that a small seed of atoms on a system with initially well-separated and condensates has a dramatic effect on their mixing dynamics, acting as an effective barrier for a remarkably long time. We show that this effect is due to the spinor character of the system, and provides an observable example of the interplay between the internal spin dynamics and the macroscopic evolution of the magnetization in a spinor Bose-Einstein condensate.
PACS: 03.75.Mn – Multicomponent condensates; spinor condensates / 03.75.Kk – Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow / 03.75.Lm – Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations
© EPLA, 2008
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