Creation and robustness of quantized vortices in a dipolar supersolid when crossing the superfluid-to-supersolid transition

authored by: Marija Šindik, Alessio Recati, Santo Maria Roccuzzo, Luis Santos, Sandro Stringari
Abstract: We study quantized vortices in dipolar supersolids at the transition between the superfluid and the supersolid phase. We present an approach to the nucleation of vortices and their observation, based on the quenching of the s-wave scattering length across the phase transition. Starting from a slowly rotating, vortex-free configuration in the superfluid phase, we predict vortex nucleation as the system enters the supersolid phase, due to the strong reduction of the critical angular velocity in the supersolid. Once a vortex is created, we show that it is robustly preserved when the condensate is brought back to the superfluid phase, where it may be readily observed. These results may have a significant impact on ongoing experiments, given that the observation of quantized vortices would constitute a key probe of the superfluid character of dipolar supersolids.
Organisation(s): Institute of Theoretical Physics
QuantumFrontiers
External Organisation(s): University of Belgrade
University of Trento
Heidelberg University
Type: Article
Journal: Physical Review A
Volume: 106
ISSN: 2469-9926
Publication date: 21.12.2022
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Atomic and Molecular Physics, and Optics
Electronic version(s): https://doi.org/10.48550/arXiv.2206.14100 (Access: Open)
https://doi.org/10.1103/PhysRevA.106.L061303 (Access: Closed)

BibTeX

@article{aac2bfbec9a04b3c9431e661bee4daa2,
title = "Creation and robustness of quantized vortices in a dipolar supersolid when crossing the superfluid-to-supersolid transition",
abstract = "We study quantized vortices in dipolar supersolids at the transition between the superfluid and the supersolid phase. We present an approach to the nucleation of vortices and their observation, based on the quenching of the s-wave scattering length across the phase transition. Starting from a slowly rotating, vortex-free configuration in the superfluid phase, we predict vortex nucleation as the system enters the supersolid phase, due to the strong reduction of the critical angular velocity in the supersolid. Once a vortex is created, we show that it is robustly preserved when the condensate is brought back to the superfluid phase, where it may be readily observed. These results may have a significant impact on ongoing experiments, given that the observation of quantized vortices would constitute a key probe of the superfluid character of dipolar supersolids.",
author = "Marija {\v S}indik and Alessio Recati and Roccuzzo, {Santo Maria} and Luis Santos and Sandro Stringari",
note = "Funding Information: Acknowledgments. We thank A. Gallem{\'i} for interesting discussions. This work was supported by Q@TN (the joint laboratory between University of Trento, FBK - Fondazione Bruno Kessler, INFN - National Institute for Nuclear Physics, and CNR - National Research Council) and the Provincia Autonoma di Trento. L.S. acknowledges support of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy – EXC-2123 QuantumFrontiers – 390837967, and FOR 2247. S.M.R. acknowledges support from the Alexander von Humboldt Foundation. A.R. acknowledges support of the Italian MUR under the PRIN2017 project CEnTraL (Protocol No. 20172H2SC4). M.S. acknowledges funding provided by the Institute of Physics Belgrade, through the grant by the Ministry of Education, Science, and Technological Development of the Republic of Serbia. We acknowledge the CINECA award under the ISCRA initiative, for the availability of high-performance computing resources and support.",
year = "2022",
month = dec,
day = "21",
doi = "10.48550/arXiv.2206.14100",
language = "English",
volume = "106",
journal = "Physical Review A",
issn = "2469-9926",
publisher = "American Physical Society",
number = "6",
}