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Long-range sound-mediated dark-soliton interactions in trapped atomic condensates

Lookup NU author(s): Dr Joy AllenORCiD, Professor Carlo Barenghi, Professor Nikolaos ProukakisORCiD

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Abstract

A long-range soliton interaction is discussed whereby two or more dark solitons interact in an inhomogeneous atomic condensate, modifying their respective dynamics via the exchange of sound waves without ever coming into direct contact. An idealized double-well geometry is shown to yield perfect energy transfer and complete periodic identity reversal of the two solitons. Two experimentally relevant geometries are analyzed which should enable the observation of this long-range interaction.

Publication metadata

Author(s): Allen AJ, Jackson DP, Barenghi CF, Proukakis NP

Publication type: Article

Publication status: Published

Journal: Physical Review A

Year: 2011

Volume: 83

Issue: 1

Print publication date: 20/01/2011

Date deposited: 20/02/2012

ISSN (print): 1050-2947

ISSN (electronic): 1094-1622

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevA.83.013613

DOI: 10.1103/PhysRevA.83.013613

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