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Lookup NU author(s): Dr Thomas BillamORCiD, Professor Nick ParkerORCiD
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In recent years, bright soliton-like structures composed of gaseous Bose–Einstein condensates have been generated at ultracold temperature. The experimental capacity to precisely engineer the nonlinearity and potential landscape experienced by these solitary waves offers an attractive platform forfundamental study of solitonic structures. The presence of three spatial dimensions and trapping implies that these are strictly distinct objects to the true soliton solutions. Working within the zero-temperature mean-field description, we explore the solutions and stability of bright solitary waves, as well as their interactions. Emphasis is placed on elucidating their similarities and differences to the true bright soliton. The rich behaviour introduced in the bright solitary waves includes the collapse instability and asymmetric collisions. We review the experimental formation and observation of bright solitary matter waves to date, and compare to theoretical predictions. Finally we discuss some topical aspects, including beyond-mean-field descriptions, symmetry breaking, exotic bright solitary waves, and proposals to exploit bright solitary waves in interferometry and as surface probes.
Author(s): Billam TP, Marchant AL, Cornish SL, Gardiner SA, Parker NG
Editor(s): Boris A. Malomed
Publication type: Book Chapter
Publication status: Published
Book Title: Spontaneous Symmetry Breaking, Self-Trapping, and Josephson Oscillations
Year: 2013
Volume: 1
Pages: 403-455
Series Title: Progress in Optical Science and Photonics
Publisher: Springer-Verlag
Place Published: Berlin Heidelberg
URL: http://dx.doi.org/10.1007/978-3-642-21207-9
DOI: 10.1007/978-3-642-21207-9
Library holdings: Search Newcastle University Library for this item
ISBN: 9783642212062