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- W4387060295 abstract "With the maturation of experimental laser cooling and atom trapping techniques, various types of atomic optical devices developed by using cold atoms as media have been born in recent years, which play an important role in the field of atomic physics. In atomic optics, Bose-Einstein condensation (BEC) has been one of the hot topics in the study of scientists. It describes the phenomenon that bosons are concentrated in the lowest energy quantum state at extremely low temperatures. In general, atomic BEC can be expressed in the form of quantum wave packet. On the basis of previous studies, two kinds of motion behaviors of Bose-Einstein condensates passing through Gaussian laser field are investigated in this paper, namely the motion phenomena of atoms under the acceleration field and the S-wave scattering collision between atoms. The atomic motion equation is derived by establishing the theoretical model, and then the numerical simulation is carried out by MATLAB program. The results show that the acceleration field only affects the velocity of the wave packet. The attractive interatomic collision will cause the collapse of the wave packet. On the contrary, the repulsion will accelerate the diffusion of the wave packet. These results will provide more theoretical and feasible schemes for studying the coherent manipulation of atoms and laser in the future." @default.
- W4387060295 created "2023-09-27" @default.
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- W4387060295 date "2023-09-26" @default.
- W4387060295 modified "2023-10-10" @default.
- W4387060295 title "Two kinematic behaviors of a Bose-Einstein condensate passing a Gaussian laser field" @default.
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- W4387060295 doi "https://doi.org/10.1117/12.3006434" @default.
- W4387060295 hasPublicationYear "2023" @default.
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