Prediction for two spatially modulated superfluids: $^4$He on fluorographene and on hexagonal BN

27 Feb 2019 Silvestrelli Pier Luigi Nava Marco Ancilotto Francesco Reatto Luciano

We have derived the adsorption potential of $^4$He atoms on fluorographene (GF), on graphane and on hexagonal boron nitride (hBN) by a recently developed ab initio method that incorporates the van der Waals interaction. The $^4$He monolayer on GF and on hBN is studied by state-of-the-art quantum simulations at T=0 K. With our adsorption potentials we find that in both cases the ground state of $^4$He monolayer is a fluid and not an ordered state with localized atoms as on graphite and on graphene... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS
  • STATISTICAL MECHANICS