Manifestations of local supersolidity of \(^{4}\bf {He}\) around a charged molecular impurity

  • A frozen, solid helium core, dubbed a snowball, is typically observed around cations in liquid helium. Here we discover, using path integral simulations, that around a cationic molecular impurity, protonated methane, the \(^{4}\bf {He}\) atoms are indeed strongly localized akin to snowballs but still participate in vivid bosonic exchange induced by the rovibrational motion of the impurity. Such a combination of solidlike order with pronounced superfluid response in the first helium shell indicates that manifestations of local supersolid behavior of \(^{4}\bf {He}\) can be induced by charged molecules.

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Author:Fabien BrieucORCiDGND, Christoph SchranORCiDGND, Dominik MarxGND
Parent Title (English):Physical review research
Publisher:Purpose-LED Publishing
Document Type:Article
Date of Publication (online):2023/03/23
Date of first Publication:2023/10/26
Publishing Institution:Ruhr-Universität Bochum, Universitätsbibliothek
Tag:Open Access Fonds
Issue:4, Artikel 043083
First Page:043083-1
Last Page:043083-19
Article Processing Charge funded by the Deutsche Forschungsgemeinschaft (DFG) and the Open Access Publication Fund of Ruhr-Universität Bochum.
Institutes/Facilities:Lehrstuhl für Theoretische Chemie
Dewey Decimal Classification:Naturwissenschaften und Mathematik / Chemie, Kristallographie, Mineralogie
open_access (DINI-Set):open_access
faculties:Fakultät für Chemie und Biochemie
Licence (English):License LogoCreative Commons - CC BY 4.0 - Attribution 4.0 International