Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/68207
Title: The solitons redistribution in Bose-Einstein condensate in quasiperiodic optical lattice
Author: Burlak, G.N.
Klimov, Andrei B.
Issue Date: 2007
Abstract: We numerically study the dynamical excitations in Bose-Einstein condensate (BEC) placed in periodic and quasiperiodic 2D optical lattice (OL). In case of the repulsive mean-field interaction the BEC quantum tunneling leads to a progressive soliton's splitting and generating of secondary solitons, which migrate to closest trapping potential minima. A nontrivial soliton dynamics appears when a series of π-pulses (phase kicks) are applied to the optical lattice. Such sudden perturbation produces a dynamic redistribution of the secondary solitons, leading to a formation of an artificial solitonic superlattice. Different geometries of OL are analyzed. © 2007 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/20.500.12104/68207
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