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Matter-wave interferometry in periodic and quasi-periodic arrays | Y. Eksioglu
; P. Vignolo
; M.P. Tosi
; | Date: |
20 Apr 2004 | Subject: | Soft Condensed Matter | cond-mat.soft | Affiliation: | SNS, Pisa | Abstract: | We calculate within a Bose-Hubbard tight-binding model the matter-wave flow driven by a constant force through a Bose-Einstein condensate of Rb 87 atoms in various types of quasi-onedimensional arrays of potential wells. Interference patterns are obtained when beam splitting is induced by creating energy minigaps either through period doubling or through quasi-periodicity governed by the Fibonacci series. The generation of such condensate modulations by means of optical-laser structures is also discussed. | Source: | arXiv, cond-mat/0404458 | Services: | Forum | Review | PDF | Favorites |
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