Observation of sub-wavelength phase structure of matter wave with two-dimensional optical lattice by Kapitza-Dirac diffraction

We report an experimental demonstration of generation and measurement of sub-wavelength phase structure of a Bose-Einstein condensate (BEC) with two-dimensional optical lattice. This is implemented by applying a short lattice pulse on BEC in the Kapitza-Dirac (or Raman-Nath) regime, which, in the cl...

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Bibliographic Details
Published in:Sci Rep
Main Authors: Wen, Kai, Meng, Zengming, Wang, Pengjun, Wang, Liangwei, Chen, Liangchao, Huang, Lianghui, Zhou, Lihong, Cui, Xiaoling, Zhang, Jing
Format: Artigo
Language:Inglês
Published: Nature Publishing Group UK 2020
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Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC7125164/
https://ncbi.nlm.nih.gov/pubmed/32246123
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-020-62551-5
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