Matter-wave dark solitons in optical lattices

Pearl J.Y. Louis; Elena A. Ostrovskaya; Yuri S. Kivshar

doi:10.1088/1464-4266/6/5/020

Matter-wave dark solitons in optical lattices

Pearl J.Y. Louis^*, Elena A. Ostrovskaya, Yuri S. Kivshar

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

We analyse the Floquet-Bloch spectrum of matter waves in Bose-Einstein condensates loaded into single-periodic optical lattices and double-periodic superlattices. In the framework of the Gross-Pitaevskii equation, we describe the structure and analyse the mobility properties of matter-wave dark solitons residing on backgrounds of extended nonlinear Bloch-type states. We demonstrate that interactions between dark solitons can be effectively controlled in optical superlattices.

Original language	English
Pages (from-to)	S309-S317
Journal	Journal of Optics B: Quantum and Semiclassical Optics
Volume	6
Issue number	5
DOIs	https://doi.org/10.1088/1464-4266/6/5/020
Publication status	Published - May 2004

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title = "Matter-wave dark solitons in optical lattices",

abstract = "We analyse the Floquet-Bloch spectrum of matter waves in Bose-Einstein condensates loaded into single-periodic optical lattices and double-periodic superlattices. In the framework of the Gross-Pitaevskii equation, we describe the structure and analyse the mobility properties of matter-wave dark solitons residing on backgrounds of extended nonlinear Bloch-type states. We demonstrate that interactions between dark solitons can be effectively controlled in optical superlattices.",

keywords = "BECs, Dark solitons, Optical lattices",

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AU - Kivshar, Yuri S.

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N2 - We analyse the Floquet-Bloch spectrum of matter waves in Bose-Einstein condensates loaded into single-periodic optical lattices and double-periodic superlattices. In the framework of the Gross-Pitaevskii equation, we describe the structure and analyse the mobility properties of matter-wave dark solitons residing on backgrounds of extended nonlinear Bloch-type states. We demonstrate that interactions between dark solitons can be effectively controlled in optical superlattices.

AB - We analyse the Floquet-Bloch spectrum of matter waves in Bose-Einstein condensates loaded into single-periodic optical lattices and double-periodic superlattices. In the framework of the Gross-Pitaevskii equation, we describe the structure and analyse the mobility properties of matter-wave dark solitons residing on backgrounds of extended nonlinear Bloch-type states. We demonstrate that interactions between dark solitons can be effectively controlled in optical superlattices.

KW - BECs

KW - Dark solitons

KW - Optical lattices

UR - https://www.scopus.com/pages/publications/2942615327

U2 - 10.1088/1464-4266/6/5/020

DO - 10.1088/1464-4266/6/5/020

M3 - Article

SN - 1464-4266

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SP - S309-S317

JO - Journal of Optics B: Quantum and Semiclassical Optics

JF - Journal of Optics B: Quantum and Semiclassical Optics

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ER -

Matter-wave dark solitons in optical lattices

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