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Bright Solitary Matter Waves: Formation, Stability and Interactions

Lookup NU author(s): Dr Thomas Billam, Dr Nick Parker

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Abstract

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.


Publication metadata

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


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