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cond-mat.other2005
Propagation of matter wave solitons in periodic and random nonlinear potentials
Fatkhulla Kh. Abdullaev, Josselin Garnier
We study the motion of bright matter wave solitons in nonlinear potentials, produced by periodic or random spatial variations of the atomic scattering length. We obtain analytical…
cond-mat.other2005
Gap-Townes solitons and localized excitations in low dimensional Bose Einstein condensates in optical lattices
Fatkhulla Kh. Abdullaev, Mario Salerno
We discuss localized ground states of Bose-Einstein condensates in optical lattices with attractive and repulsive three-body interactions in the framework of a quintic nonlinear Sc…