C. Weiss
From short-time diffusive to long-time ballistic dynamics: The unusual center-of-mass motion of quantum bright solitons
Weiss, C.; Gardiner, S.A.; Breuer, H.-P.
Abstract
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 atomic 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 is three-particle losses. Our simulations show that such unusual center-of-mass dynamics should be observable on experimentally accessible time scales.
Citation
Weiss, C., Gardiner, S., & Breuer, H. (2015). From short-time diffusive to long-time ballistic dynamics: The unusual center-of-mass motion of quantum bright solitons. Physical Review A, 91(6), Article 063616. https://doi.org/10.1103/physreva.91.063616
Journal Article Type | Article |
---|---|
Acceptance Date | May 20, 2015 |
Publication Date | Jun 15, 2015 |
Deposit Date | Jun 22, 2015 |
Publicly Available Date | Jun 26, 2015 |
Journal | Physical Review A |
Print ISSN | 1050-2947 |
Electronic ISSN | 1094-1622 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 91 |
Issue | 6 |
Article Number | 063616 |
DOI | https://doi.org/10.1103/physreva.91.063616 |
Public URL | https://durham-repository.worktribe.com/output/1403242 |
Related Public URLs | http://arxiv.org/abs/1407.7633 |
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Copyright Statement
Reprinted with permission from the American Physical Society: Physical Review A 91, 063616 © 2015 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
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