Optimal control of the transport of Bose-Einstein condensates with atom chips

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Amri, S. et al.: Optimal control of the transport of Bose-Einstein condensates with atom chips. In: Scientific Reports 9 (2019), 5346. DOI: https://doi.org/10.1038/s41598-019-41784-z

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Abstract: 
Using Optimal Control Theory (OCT), we design fast ramps for the controlled transport of Bose-Einstein condensates with atom chips' magnetic traps. These ramps are engineered in the context of precision atom interferometry experiments and support transport over large distances, typically of the order of 1 mm, i.e. about 1,000 times the size of the atomic clouds, yet with durations not exceeding 200 ms. We show that with such transport durations of the order of the trap period, one can recover the ground state of the final trap at the end of the transport. The performance of the OCT procedure is compared to that of a Shortcut-To-Adiabaticity (STA) protocol and the respective advantages/disadvantages of the OCT treatment over the STA one are discussed.
License of this version: CC BY 4.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2019
Appears in Collections:Fakultät für Mathematik und Physik

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1 image of flag of Germany Germany 36 54.55%
2 image of flag of United States United States 26 39.39%
3 image of flag of United Kingdom United Kingdom 1 1.52%
4 image of flag of France France 1 1.52%
5 image of flag of China China 1 1.52%
6 image of flag of Brazil Brazil 1 1.52%

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