From short-time diffusive to long-time ballistic dynamics: the unusual center-of-mass motion of quantum bright solitons [dataset]

Weiss, Christoph (Durham University, UK); Breuer, Heinz-Peter (University of Freiburg); Gardiner, Simon A. (Durham University, UK)

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From short-time diffusive to long-time ballistic dynamics: the unusual center-of-mass motion of quantum bright solitons [dataset] Open Access

Brownian motion is ballistic on short time scales and diffusive on long time scales. Our theoretical investigations indicate that one can observe the exact opposite - an anomalous diffusion process where initially diffusive motion becomes ballistic on longer time scales - in an ultracold atom system with a size comparable to macromolecules. This system is the center-of-mass motion of a quantum matter-wave bright soliton for which the dominant source of decoherence are three-particle losses. Our simulations show that such unusual center-of-mass dynamics should be observable on experimentally accessible time scales. For more information, please see the article in question, or refer to the README.txt file

Descriptions

Resource type: Dataset
Contributors: Creator: Weiss, Christoph ¹
Contact person: Weiss, Christoph ¹
Creator: Gardiner, Simon A. ¹
Creator: Breuer, Heinz-Peter ²

¹ Durham University, UK
² University of Freiburg
Funder: Engineering and Physical Sciences Research Council
Research methods
Other description
Keyword: diffusive transport
Bose-Einstein condensation
three-body recombination
bright soliton
ballistic transport
Subject: Bose-Einstein condensation
Location
Language
Cited in: http://dro.dur.ac.uk/15776/
arxiv:1407.7633
doi:10.1103/PhysRevA.91.063616
Identifier: ark:/32150/kk91fk954
doi:10.15128/kk91fk954
Publisher: Durham University
Date Created: 2015-05-21T12:25:00.000+00:00

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