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      Dynamical instability of a two component Bose-Einstein Condensate in an optical lattice

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      Author
      Taşgın, M. Emre
      Öktel, M. Özgür
      Date
      2006
      Source Title
      Journal of Physics: Conference Series
      Print ISSN
      1742-6588
      Publisher
      IOP
      Volume
      36
      Pages
      200 - 204
      Language
      English
      Type
      Conference Paper
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      Abstract
      We investigate the dynamical instability for a two component Bose-Einstein Condensate (BEC) in an optical lattice. We assume that the two components are in sinusoidal potentials with the same period but different phases. We find a swallow-tail type instability near the band edge, however an extra tail is formed due to the inter-component interaction. Depending on the phase difference of the potentials, the instability region may expand or shrink with increasing inter-component interaction.
      Keywords
      Bose-Einstein Condensate (BEC)
      Dynamical instability
      Sinusoidal potentials
      Permalink
      http://hdl.handle.net/11693/27250
      Published Version (Please cite this version)
      http://dx.doi.org/10.1088/1742-6596/36/1/030
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      • Department of Physics 2299
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