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cond-mat.other2005
Alternate solitons: Nonlinearly-managed one- and two-dimensional solitons in optical lattices
Arthur Gubeskys, Boris A. Malomed, Ilya M. Merhasin
We consider a model of Bose-Einstein condensates which combines a stationary optical lattice (OL) and periodic change of the sign of the scattering length (SL) due to the Feshbach-…
cond-mat.other2005
Two-component gap solitons in two- and one-dimensional Bose-Einstein condensates
A. Gubeskys, B. A. Malomed, I. M. Merhasin
We introduce 2D and 1D models of a binary Bose-Einstein condensate in a periodic potential, with repulsive interactions. We chiefly consider the most fundamental case of the inter-…