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23 October 2019
 
  » arxiv » cond-mat/0404458

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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
AffiliationSNS, Pisa
AbstractWe 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
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