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Title

Confinement-induced resonance in quasi-one-dimensional systems under transversely anisotropic confinement

Author(s)

Peng, Shi-Guo;  Bohloul, Seyyed S.;  Liu, Xia-Ji;  Hu, Hui;  Drummond, Peter D.

Abstract

We theoretically investigate the confinement-induced resonance for quasi-one-dimensional quantum systems under transversely anisotropic confinement, using a two-body s-wave-scattering model in the zero-energy collision limit. We predict a single resonance for any transverse anisotropy, whose position shows a slight downshift with increasing anisotropy. We compare our prediction with the recent experimental result by Haller et al. [Phys. Rev. Lett. 104, 153203 (2010)], in which two resonances are observed in the presence of transverse anisotropy. The discrepancy between theory and experiment remains to be resolved.

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, Vol. 82, no. 6 (Dec 2010), article no. 063633

Publication year

2010

FOR Code(s)

0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics;  0204 Condensed Matter Physics;  0205 Optical Physics

Keyword(s)

Confinement-induced resonance;  Resonance;  Transverse anisotropy;  Quantum systems

Publisher

American Physical Society

ISSN

1050-2947

Publisher URL

http://dx.doi.org/10.1103/PhysRevA.82.063633

Copyright

Copyright © 2010 The American Physical Society. Published version of this paper reproduced here in accordance with the copyright policy of the publisher.

Research Projects

Ultracold atomic Fermi gases in the strongly interacting regime: a new frontier of quantum many-body physics, Australian Research Council grant number DP0984522
Imbalanced superfluidity: the quantum mystery that defies solution, Australian Research Project grant number DP0984637

Full text

Peer reviewed