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arXiv · 1810.10452

Optimal conditions for spatial adiabatic passage of a Bose-Einstein condensate

Juan Luis Rubio·Verònica Ahufinger·Thomas Busch·Jordi Mompart
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Abstract

We investigate spatial adiabatic passage of a Bose-Einstein condensate in a triple well potential within the three-mode approximation. By rewriting the dynamics in the so-called time-dependent dark/dressed basis, we analytically derive the optimal conditions for the non-linear parameter and the on-site energies of each well to achieve a highly efficient condensate transport. We show that the non-linearity yields a high-efficiency plateau for the condensate transport as a function of the on-site energy difference between the outermost wells, favoring the robustness of the transport. We also analyze the case of different non-linearities in each well, which, for certain parameter values, leads to an increase of the width of this plateau.

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Juan Luis Rubio, Verònica Ahufinger, Thomas Busch, Jordi Mompart. 2018-10-24. Optimal conditions for spatial adiabatic passage of a Bose-Einstein condensate. https://doi.org/10.1103/physreva.94.053606

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