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Splitting bright matter-wave solitons on narrow potential barriers : quantum to classical transition and applications to interferometry.

Helm, J.L. and Rooney, S.J. and Weiss, C. and Gardiner, S.A. (2014) 'Splitting bright matter-wave solitons on narrow potential barriers : quantum to classical transition and applications to interferometry.', Physical review A : atomic, molecular and optical physics., 89 (3). 033610.

Abstract

We study bright solitons in the Gross-Pitaevskii equation as they are split and recombined in a low-energy system. We present analytic results determining the general region in which a soliton may not be split on a potential barrier and confirm these results numerically. Furthermore, we analyze the energetic regimes where quantum fluctuations in the initial center-of-mass position and momentum become influential on the outcome of soliton splitting and recombination events. We then use the results of this analysis to determine a parameter regime where soliton interferometry is practicable.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevA.89.033610
Publisher statement:©2014 American Physical Society
Date accepted:No date available
Date deposited:03 April 2014
Date of first online publication:March 2014
Date first made open access:No date available

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