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Phases of a bilayer Fermi gas

Author(s)
Nishida, Yusuke
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Abstract
We investigate a two-species Fermi gas in which one species is confined in two parallel layers and interacts with the other species in the three-dimensional space by a tunable short-range interaction. Based on the controlled weak coupling analysis and the exact three-body calculation, we show that the system has a rich phase diagram in the plane of the effective scattering length and the layer separation. Resulting phases include an interlayer s-wave pairing, an intralayer p-wave pairing, a dimer Bose-Einstein condensation, and a Fermi gas of stable Efimov-like trimers. Our system provides a widely applicable scheme to induce long-range interlayer correlations in ultracold atoms.
Date issued
2010-07
URI
http://hdl.handle.net/1721.1/60576
Department
Massachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review A
Publisher
American Physical Society
Citation
Nishida, Yusuke, "Phases of a bilayer Fermi gas." Physical Review A 82.1(2010): 011605(R). © 2010 The American Physical Society
Version: Final published version
ISSN
1050-2947
1094-1622

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