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Asymmetric matter-wave solitons at nonlinear interfaces

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 15 Dec 2006Embargo end date: 01 Jan 2006 Spain Publisher:American Physical Society (APS)Journal:Physical Review A, volume 74 (issn: 1050-2947, eissn: 1094-1622,

Authors: Ye, F; Kartashov, Yaroslav V.; Torner Sabata, Lluís;

doi: 10.1103/physreva.74.063616 , 10.48550/arxiv.cond-mat/0610740

arXiv: http://arxiv.org/abs/cond-mat/0610740

handle: 2117/105308

Asymmetric matter-wave solitons at nonlinear interfaces

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Abstract

We predict the existence and study the basic properties of strongly asymmetric matter wave solitons that form at the interface produced by regions with different inter-atomic interaction strengths in pancake Bose-Einstein condensates. We address several types of surface solitons featuring topologically complex structures, including vortex and dipole-mode solitons. We found that the soliton become significantly asymmetric for high number of particles in the condensate. Yet, we reveal that under suitable conditions, that we elucidate, even such strongly asymmetric dipole and vortex solitons can be dynamically stable over wide regions of their existence domains.

18 pages, 6 figures, to appear in Physical Review A

Country

Spain

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Keywords

Condensed Matter - Materials Science, Photonics, Fotònica, Materials Science (cond-mat.mtrl-sci), FOS: Physical sciences, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica, :Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica [Àrees temàtiques de la UPC], Pattern Formation and Solitons (nlin.PS), Nonlinear Sciences - Pattern Formation and Solitons

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