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Number of results
2009 | 116 | 5 | 772-778
Article title

Quantum Bright Soliton in a Disorder Potential

Content
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Languages of publication
EN
Abstracts
EN
At very low temperature, a quasi-one-dimensional ensemble of atoms with attractive interactions tend to form a bright soliton. When exposed to a sufficiently weak external potential, the shape of the soliton is not modified, but its external motion is affected. We develop in detail the Bogoliubov approach for the problem, treating, in a non-perturbative way, the motion of the center of mass of the soliton. Quantization of this motion allows us to discuss its long time properties. In particular, in the presence of a disordered potential, the quantum motion of the center of mass of a bright soliton may exhibit Anderson localization, on a localization length which may be much larger than the soliton size and could be observed experimentally.
Keywords
EN
Year
Volume
116
Issue
5
Pages
772-778
Physical description
Dates
published
2009-11
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv116n507kz
Identifiers
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