Search Swinburne Research Bank
Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/234152
 Download PDF (Published version) (Adobe Acrobat PDF, -1 bytes) |
- Title
- Two-channel-model description of confinement-induced Feshbach molecules
- Author(s)
- Peng, Shi-Guo; Hu, Hui; Liu, Xia-Ji; Jiang, Kaijun
- Abstract
- Using a two-channel model, we investigate theoretically the binding energy of confinement-induced Feshbach molecules in two- and one-dimensional ultracold atomic systems near a Feshbach resonance. We show that the two-channel prediction will evidently deviate from the simple single-channel theory as the width of Feshbach resonances decreases. For the one-dimensional system, we perform a full two-channel calculation, with the inclusion of bare interatomic interactions in the open channel. Away from the resonance, we find a sizable correction to the binding energy, if we neglect the bare interatomic interactions as in the previous work. We compare our theoretical results with the existing experimental data and present predictions for narrow Feshbach resonances that could be tested in future experiments.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Atom Optics and Ultrafast Spectroscopy
- Source
- Physical Review A: Atomic, Molecular, and Optical Physics, Vol. 86, no. 3 (Sep 2012), article no. 033601
- Publication year
- 2012
- FOR Code(s)
- 01 Mathematical Sciences; 02 Physical Sciences; 03 Chemical Sciences
- Keyword(s)
- Degenerate Fermi gases; Electron gas; Fermion systems; Feshbach molecules; Static properties of condensates
- Publisher
- American Physical Society
- ISSN
- 1050-2947
- Publisher URL
- http://dx.doi.org/10.1103/PhysRevA.86.033601
- Copyright
- Copyright © 2012 American Physical Society. The published version is reproduced with the kind permission of the publisher.
- Research Projects
-
Imbalanced superfluidity: the quantum mystery that defies solution, Australian Research Project grant number DP0984637
Ultracold atomic Fermi gases in the strongly interacting regime: a new frontier of quantum many-body physics, Australian Research Council grant number DP0984522
- Full text
- Peer reviewed
