Coupled nonlinear Schroedinger equations (CNLS) with an external elliptic function potential model a quasi one-dimensional interactiong two-component Bose-Einstein condensate trapped in a standing light wave. New stationary solutions of the CNLS with a periodic potential are derived and interpreted as exact Bloch states at the edges of the Brillouin zone. The modulational unstable solutions lead to formation of localized ground states of the coupled BEC system.

TWO-COMPONENT BOSE-EINSTEIN CONDENSATES IN OPTICAL LATTICES Modulational Instability and Soliton Generation

SALERNO, Mario;
2004

Abstract

Coupled nonlinear Schroedinger equations (CNLS) with an external elliptic function potential model a quasi one-dimensional interactiong two-component Bose-Einstein condensate trapped in a standing light wave. New stationary solutions of the CNLS with a periodic potential are derived and interpreted as exact Bloch states at the edges of the Brillouin zone. The modulational unstable solutions lead to formation of localized ground states of the coupled BEC system.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11386/1063965
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