Browsing by Subject "Dynamical instability"

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    Dynamical instability of a two component Bose-Einstein Condensate in an optical lattice
    (IOP, 2006) Taşgın, M. Emre; Öktel, M. Özgür
    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.