Universal van der Waals force between heavy polarons in superfluids

• Verfasst von: Fujii, Keisuke [VerfasserIn]
• Verfasst von: Hongo, Masaru [VerfasserIn]
• Verfasst von: Enss, Tilman [VerfasserIn]
• Titel: Universal van der Waals force between heavy polarons in superfluids
• Verf.angabe: Keisuke Fujii, Masaru Hongo, and Tilman Enss
• E-Jahr: 2022
• Jahr: 30 November 2022
• Umfang: 7 S.
• Illustrationen: Illustrationen
• Fussnoten: Gesehen am 14.11.2023
• Titel Quelle: Enthalten in: Physical review letters
• Ort Quelle: College Park, Md. : APS, 1958
• Jahr Quelle: 2022
• Band/Heft Quelle: 129(2022), 23, Artikel-ID 233401, Seite 1-7
• ISSN Quelle: 1079-7114
• DOI: doi:10.1103/PhysRevLett.129.233401
• Datenträger: Online-Ressource
• Sprache: eng
• K10plus-PPN: 1838093699

Abstract

We investigate the long-range behavior of the induced Casimir interaction between two spinless heavy impurities, or polarons, in superfluid cold atomic gases. With the help of effective field theory (EFT) of a Galilean invariant superfluid, we show that the induced impurity-impurity potential at long distance universally shows a relativistic van der Waals-like attraction (∼1/r7) resulting from the exchange of two superfluid phonons. We also clarify finite temperature effects from the same two-phonon exchange process. ...