Phases of a bilayer Fermi gas

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 t...

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Main Author: Nishida, Yusuke
Other Authors: Massachusetts Institute of Technology. Center for Theoretical Physics
Format: Article
Language:en_US
Published: American Physical Society 2011
Online Access:http://hdl.handle.net/1721.1/60576
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author Nishida, Yusuke
author2 Massachusetts Institute of Technology. Center for Theoretical Physics
author_facet Massachusetts Institute of Technology. Center for Theoretical Physics
Nishida, Yusuke
author_sort Nishida, Yusuke
collection MIT
description 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.
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spelling mit-1721.1/605762022-10-03T09:06:22Z Phases of a bilayer Fermi gas Nishida, Yusuke Massachusetts Institute of Technology. Center for Theoretical Physics Massachusetts Institute of Technology. Department of Physics Nishida, Yusuke Nishida, Yusuke 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. United States. Dept. of Energy. Office of Nuclear Physics (Grant No. DE-FG02-94ER40818) byMIT Pappalardo Fellowship in Physics 2011-01-14T18:23:53Z 2011-01-14T18:23:53Z 2010-07 2009-07 Article http://purl.org/eprint/type/JournalArticle 1050-2947 1094-1622 http://hdl.handle.net/1721.1/60576 Nishida, Yusuke, "Phases of a bilayer Fermi gas." Physical Review A 82.1(2010): 011605(R). © 2010 The American Physical Society en_US http://dx.doi.org/10.1103/PhysRevA.82.011605 Physical Review A Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Physical Society APS
spellingShingle Nishida, Yusuke
Phases of a bilayer Fermi gas
title Phases of a bilayer Fermi gas
title_full Phases of a bilayer Fermi gas
title_fullStr Phases of a bilayer Fermi gas
title_full_unstemmed Phases of a bilayer Fermi gas
title_short Phases of a bilayer Fermi gas
title_sort phases of a bilayer fermi gas
url http://hdl.handle.net/1721.1/60576
work_keys_str_mv AT nishidayusuke phasesofabilayerfermigas