Delocalizing transition in one-dimensional condensates in optical lattices due to inhomogeneous interactions

2007/06/01 by Yu. V. Bludov, V. A. Brazhnyi, V. V. Konotop · 1 citation
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Nonlinear Photonic Systems #Strong Light-Matter Interactions #cond-mat.other #nlin.PS

paper · pdf · doi:10.1103/physreva.76.023603

published as PHYSICAL REVIEW A 76, 023603 (2007)

arxiv created 2007/06/01 · openalex publication_date 2007/08/09 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

Abstract

It is shown that inhomogeneous nonlinear interactions in a Bose-Einstein condensate loaded in an optical lattice can result in a delocalizing transition in one dimension, which sharply contrasts to the known behavior of discrete and periodic systems with homogeneous nonlinearity. The transition can be originated either by decreasing the amplitude of the linear periodic potential or by the change of the mean value of the periodic nonlinearity. The dynamics of the delocalizing transition is studied.

Citations

• Dynamics of Bose-Einstein condensates in optical lattices
• Localized modes in arrays of boson-fermion mixtures

Cited by

• Soliton modes, stability, and drift in optical lattices with spatially modulated nonlinearity

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