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U. Hohenester, P.K. Rekdal, A. Borzi, H.-J. Schmiedmayer:
"Optimal quantum control of Bose-Einstein condensates in magnetic microtraps";
Physical Review A, 75 (2007), 023602-1 - 023602-10.

Transport of Bose-Einstein condensates in magnetic microtraps, controllable by external parameters such as
wire currents or radio-frequency fields, is studied within the framework of optimal control theory OCT . We
derive from the Gross-Pitaevskii equation the optimality system for the OCT fields that allow efficient channeling
of the condensate between given initial and desired states. For a variety of magnetic confinement
potentials we study transport and wave-function splitting of the condensate, and demonstrate that OCT drastically
outperforms simpler schemes for the time variation of the microtrap control parameters.