@article{784290ddb00a469bad4ebe70cb40b766,
title = "Observation of a modulational instability in Bose-Einstein condensates",
abstract = "We observe the breakup dynamics of an elongated cloud of condensed Rb85 atoms placed in an optical waveguide. The number of localized spatial components observed in the breakup is compared with the number of solitons predicted by a plane-wave stability analysis of the nonpolynomial nonlinear Schr{\"o}dinger equation, an effective one-dimensional approximation of the Gross-Pitaevskii equation for cigar-shaped condensates. It is shown that the numbers predicted from the fastest growing sidebands are consistent with the experimental data, suggesting that modulational instability is the key underlying physical mechanism driving the breakup.",
author = "Everitt, {P. J.} and Sooriyabandara, {M. A.} and M. Guasoni and Wigley, {P. B.} and Wei, {C. H.} and McDonald, {G. D.} and Hardman, {K. S.} and P. Manju and Close, {J. D.} and Kuhn, {C. C.N.} and Szigeti, {S. S.} and Kivshar, {Y. S.} and Robins, {N. P.}",
note = "Funding Information: Acknowledgments. We acknowledge fruitful discussions with Tegan Cruwys and Michael Hush. This work was supported by the Australian Research Council and NanoPhi program of the European Union. S.S.S. received funding from an Australia Awards-Endeavour Research Fellowship and the Dodd-Walls Centre for Photonic and Quantum Technologies. Publisher Copyright: {\textcopyright} 2017 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.",
year = "2017",
month = oct,
day = "6",
doi = "10.1103/PhysRevA.96.041601",
language = "English",
volume = "96",
pages = "1--5",
journal = "Physical Review A",
issn = "2469-9926",
publisher = "American Physical Society",
number = "4",
}