Nonlinear Supression of Tunneling and Strong Localization in Bose-Einstein Condensates with Spatially Inhomogeneous Interactions

Details Nonlinear Supression of Tunneling and Strong Localization in Bose-Einstein Condensates with Spatially Inhomogeneous Interactions Nonlinear Supression of Tunneling and Strong Localization in Bose-Einstein Condensates with Spatially Inhomogeneous Interactions

2006-12-12

arxiv.org/abs/nlin/0612028v2

Nonlinear Sciences

Pattern Formation and Solitons

Scientific paper

We study the properties of the ground state of Bose-Einstein condensates with
spatially inhomogeneous interactions and show that the atom density experiences
a strong localization at the spatial region where the scattering length is
close to zero while tunneling to regions with positive values of the scattering
length is strongly supressed by the nonlinear interactions.

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