Matter solitons in Bose-Einstein condensates with optical lattices
G. L. AlfimovV. V. KonotopCentro de Física da Matéria Condensada, Universidade de Lisboa Complexo Interdisciplinar - Av. Prof. Gama Pinto 2, Lisboa 1649-003, PortugalMario SalernoDipartimento di Fisica “E. R. Caianiello”, Università di Salerno I-84081 Baronissi (SA), Italy, and Istituto Nazionale di Fisica della Materia (INFM) Unità di Salerno, Italy
2002en
ABI
Аннотация
A diversity of localised solutions of the one-dimensional nonlinear Schrödinger (NLS) equation with a periodic potential is found. Among them are bright and dark solitons and complex coupled solitary waves. These objects have been found by analysing a discrete dynamical system associated with this equation. Direct numerical integrations of the NLS system show that some of these solutions can be dynamically stable. The possibility to observe these solutions in real experiments is also briefly discussed.
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