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Title

Density distribution of a trapped two-dimensional strongly interacting Fermi gas

Author(s)

Orel, Alexey A.;  Dyke, Paul;  Delehaye, Marion;  Vale, Chris J.;  Hu, Hui

Abstract

We calculated and measured the density distribution and cloud size of a trapped two-dimensional (2D) 6Li Fermi gas near a Feshbach resonance at low temperatures. Density distributions and cloud sizes were calculated for a wide range of interaction parameters using a local density approximation (LDA) and a zero-temperature equation of state obtained from quantum Monte Carlo simulations reported by Bertaina and Giorgini (2011 Phys. Rev. Lett. 106 110403). We found that LDA predictions agree well with experimental measurements across a Feshbach resonance. Theoretical results for Tan's contact parameter in a trapped gas are reported here along with predictions for the static structure factor at large momentum which could be measured in future Bragg spectroscopy experiments on 2D Fermi gases.

Publication type

Journal article

Research centre

Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Atom Optics and Ultrafast Spectroscopy

Source

New Journal of Physics, Vol. 13 (Nov 2011), article no. 113032

Publication year

2011

FOR Code(s)

02 Physical Sciences

Keyword(s)

Cloud size;  Density distribution;  Fermi gases

Publisher

Institute of Physics Publishing

ISSN

1367-2630

Publisher URL

http://dx.doi.org/10.1088/1367-2630/13/11/113032

Copyright

Copyright © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. The published version is reproduced in accordance with the terms of the Creative Commons Attribution-Non-Commercial-ShareAlike 3.0 licence (http://creativecommons.org/licenses/by-nc-sa/3.0/).

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

Full text

Peer reviewed