Discontinuities in the First and Second Sound Velocities at the Berezinskii-Kosterlitz-Thouless Transition
Authors: Ozawa T., Stringari S.
Autors Affiliation: INO-CNR BEC Center and Dipartimento di Fisica, Università di Trento, I-38123 Povo, Italy
Abstract: We calculate the temperature dependence of the first and second sound velocities in the superfluid phase of a 2D dilute Bose gas by solving Landau
Journal/Review: PHYSICAL REVIEW LETTERS
Volume: 112 (2) Pages from: 025302 to: 025302
More Information: We are grateful to stimulating discussions with Lev P. Pitaevskii. Useful discussions with Yan-Hua Hou, Iacopo Carusotto, and Jean Dalibard are also acknowledged. This work was supported by the ERC through the QGBE grant and by Provincia Autonoma di Trento.DOI: 10.1103/PhysRevLett.112.025302Citations: 9data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2020-10-18References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here