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

被引:28
作者
Amri, S. [1 ,2 ]
Corgier, R. [1 ,2 ]
Sugny, D. [3 ]
Rasel, E. M. [2 ]
Gaaloul, N. [2 ]
Charron, E. [1 ]
机构
[1] Univ Paris Saclay, Univ Paris Sud, ISMO, CNRS, F-91405 Orsay, France
[2] Leibniz Univ Hannover, Inst Quantenopt, Welfengarten 1, D-30167 Hannover, Germany
[3] Univ Bourgogne Franche Comte, CNRS, LICB, 9 Av A Savary,BP 47870, F-21078 Dijon, France
关键词
D O I
10.1038/s41598-019-41784-z
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
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.
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页数:11
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