Second sound and the superfluid fraction in a Fermi gas with resonant interactions
Leonid A. Sidorenkov,
Meng Khoon Tey (),
Rudolf Grimm,
Yan-Hua Hou,
Lev Pitaevskii and
Sandro Stringari
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Leonid A. Sidorenkov: Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria
Meng Khoon Tey: Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria
Rudolf Grimm: Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria
Yan-Hua Hou: Universitá di Trento and INO-CNR BEC Center, I-38123 Povo, Italy
Lev Pitaevskii: Universitá di Trento and INO-CNR BEC Center, I-38123 Povo, Italy
Sandro Stringari: Universitá di Trento and INO-CNR BEC Center, I-38123 Povo, Italy
Nature, 2013, vol. 498, issue 7452, 78-81
Abstract:
In an ultracold, superfluid Fermi gas, measurements of second sound — a wave in which the superfluid and normal components of the gas oscillate in antiphase — make it possible to determine the temperature dependence of the superfluid fraction.
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:nat:nature:v:498:y:2013:i:7452:d:10.1038_nature12136
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DOI: 10.1038/nature12136
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