, Volume 49, Issue 2, pp 161-165
Date: 26 Aug 2008

Scattering effect of atoms through a Bose-Einstein condensate in an optical Lattice with a single defect

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We study the transport of atoms across a localized Bose-Einstein condensate in an onedimensional optical lattice with a single defect. Our analytical and numerical results show that the defect as well as the nonlinear parameter can control the transmission of the atoms beam and the position of total reflection caused by Fano resonance. These interesting features may be a very useful basis for devising tunable atom filters or a button.