Second sound in the crossover from the Bose-Einstein condensate to the Bardeen-Cooper-Schrieffer superfluid

Daniel K. Hoffmann; Vijay Pal Singh; Thomas Paintner; Manuel Jäger; Wolfgang Limmer; Ludwig Mathey; Johannes Hecker Denschlag

doi:10.1038/s41467-021-27149-z

Nature Communications (Dec 2021)

Second sound in the crossover from the Bose-Einstein condensate to the Bardeen-Cooper-Schrieffer superfluid

Daniel K. Hoffmann,
Vijay Pal Singh,
Thomas Paintner,
Manuel Jäger,
Wolfgang Limmer,
Ludwig Mathey,
Johannes Hecker Denschlag

Affiliations

Daniel K. Hoffmann: Institut für Quantenmaterie and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm
Vijay Pal Singh: Institut für Theoretische Physik, Leibniz Universität Hannover
Thomas Paintner: Institut für Quantenmaterie and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm
Manuel Jäger: Institut für Quantenmaterie and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm
Wolfgang Limmer: Institut für Quantenmaterie and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm
Ludwig Mathey: Institut für Laserphysik, Zentrum für Optische Quantentechnologien, Universität Hamburg
Johannes Hecker Denschlag: Institut für Quantenmaterie and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm

DOI: https://doi.org/10.1038/s41467-021-27149-z
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 6

Abstract

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The second sound is an entropy oscillation propagating with constant pressure. Here the authors demonstrate the variation of the second sound wave in the crossover from the Bose-Einstein condensate to the Bardeen-Cooper-Schrieffer superfluid using 6Li.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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