Excitation modes of bright matter-wave solitons

Andrea Di Carli; Craig D. Colquhoun; Grant Henderson; Stuart Flannigan; Gian-Luca Oppo; Andrew J. Daley; Stefan Kuhr; Elmar Haller

doi:10.1103/PhysRevLett.123.123602

Excitation modes of bright matter-wave solitons

Andrea Di Carli, Craig D. Colquhoun, Grant Henderson, Stuart Flannigan, Gian-Luca Oppo, Andrew J. Daley, Stefan Kuhr, Elmar Haller

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Abstract

We experimentally study the excitation modes of bright matter-wave solitons in a quasi-one-dimensional geometry. The solitons are created by quenching the interactions of a Bose-Einstein condensate of cesium atoms from repulsive to attractive in combination with a rapid reduction of the longitudinal confinement. A deliberate mismatch of quench parameters allows for the excitation of breathing modes of the emerging soliton and for the determination of its breathing frequency as a function of atom number and confinement. In addition, we observe signatures of higher-order solitons and the splitting of the wave packet after the quench. Our experimental results are compared to analytical predictions and to numerical simulations of the one-dimensional Gross-Pitaevskii equation.

Original language	English
Article number	123602
Number of pages	5
Journal	Physical Review Letters
Volume	123
Issue number	12
Early online date	17 Sep 2019
DOIs	https://doi.org/10.1103/PhysRevLett.123.123602
Publication status	Published - 17 Sep 2019

Keywords

bright matter-wave solitons
excitation modes
Bose-Einstein

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10.1103/PhysRevLett.123.123602Licence: CC BY 4.0

Carli-etal-PhysRevLett-2019-Excitation-modes-of-bright-matter-waveFinal published version, 1.22 MBLicence: CC BY 4.0

Elmar Haller
- elmar.hallerstrath.acuk
- Physics - Senior Lecturer
Person: Academic

Data for "Excitation modes of bright matter-wave solitons"
Di Carli, A. (Contributor), Colquhoun, C. (Contributor), Henderson, G. (Contributor), Flannigan, S. A. (Contributor), Oppo, G. (Contributor), Daley, A. (Contributor), Kuhr, S. (Contributor) & Haller, E. (Creator), University of Strathclyde, 17 Sep 2019
DOI: 10.15129/699a004b-fbf3-4f37-b2f3-9c1c97f44f0f
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title = "Excitation modes of bright matter-wave solitons",

abstract = "We experimentally study the excitation modes of bright matter-wave solitons in a quasi-one-dimensional geometry. The solitons are created by quenching the interactions of a Bose-Einstein condensate of cesium atoms from repulsive to attractive in combination with a rapid reduction of the longitudinal confinement. A deliberate mismatch of quench parameters allows for the excitation of breathing modes of the emerging soliton and for the determination of its breathing frequency as a function of atom number and confinement. In addition, we observe signatures of higher-order solitons and the splitting of the wave packet after the quench. Our experimental results are compared to analytical predictions and to numerical simulations of the one-dimensional Gross-Pitaevskii equation. ",

keywords = "bright matter-wave solitons, excitation modes, Bose-Einstein",

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T1 - Excitation modes of bright matter-wave solitons

AU - Carli, Andrea Di

AU - Colquhoun, Craig D.

AU - Henderson, Grant

AU - Flannigan, Stuart

AU - Oppo, Gian-Luca

AU - Daley, Andrew J.

AU - Kuhr, Stefan

AU - Haller, Elmar

PY - 2019/9/17

Y1 - 2019/9/17

N2 - We experimentally study the excitation modes of bright matter-wave solitons in a quasi-one-dimensional geometry. The solitons are created by quenching the interactions of a Bose-Einstein condensate of cesium atoms from repulsive to attractive in combination with a rapid reduction of the longitudinal confinement. A deliberate mismatch of quench parameters allows for the excitation of breathing modes of the emerging soliton and for the determination of its breathing frequency as a function of atom number and confinement. In addition, we observe signatures of higher-order solitons and the splitting of the wave packet after the quench. Our experimental results are compared to analytical predictions and to numerical simulations of the one-dimensional Gross-Pitaevskii equation.

AB - We experimentally study the excitation modes of bright matter-wave solitons in a quasi-one-dimensional geometry. The solitons are created by quenching the interactions of a Bose-Einstein condensate of cesium atoms from repulsive to attractive in combination with a rapid reduction of the longitudinal confinement. A deliberate mismatch of quench parameters allows for the excitation of breathing modes of the emerging soliton and for the determination of its breathing frequency as a function of atom number and confinement. In addition, we observe signatures of higher-order solitons and the splitting of the wave packet after the quench. Our experimental results are compared to analytical predictions and to numerical simulations of the one-dimensional Gross-Pitaevskii equation.

KW - bright matter-wave solitons

KW - excitation modes

KW - Bose-Einstein

U2 - 10.1103/PhysRevLett.123.123602

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M3 - Article

VL - 123

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

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ER -

Excitation modes of bright matter-wave solitons

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