Phase diagram of second layer of helium adsorbed on graphite

Abstract

Using realistic helium-helium and helium-graphite interactions and the path integral Monte Carlo method, we are able to identify the gas, superfluid liquid, commensurate-solid, and incommensurate-solid phases, and the coexistence regions between them, for the second layer of helium on graphite. The phase boundaries and the specific heat that we determine are in good agreement with experiment. The appearance and disappearance of superfluidity with increasing coverage can be explained by the growth of coexistence phases, as was observed by torsional oscillator experiments.

4 pages, revtex, 4 postscript figures; minor corrections to text, figures. Accepted for publication in Phys. Rev. Lett

Cited by in corpus (21)

• Tau Neutrinos in the Auger Observatory : A New Window to UHECR Sources
• Phase diagram of 4He adsorbed on graphite
• Path integral Monte Carlo simulation of the second layer of helium-4 adsorbed on graphite
• Monolayer Solid Helium-4 Clusters on Graphite
• Supersolidity in quantum films adsorbed on graphene and graphite
• Spatially Modulated Superfluid State in Two-Dimensional ${}^4$He Films
• Recoilless Resonant Absorption of Monochromatic Neutrino Beam for Measuring Delta m^2_{31} and theta_{13}
• Liquid and solid phases of 3He on graphite
• Quantum Films Adsorbed on Graphite: Third and Fourth Helium Layers
• Hydrogen molecule ion: Path integral Monte Carlo approach
• Commensurate-incommensurate solid transition in the ${}^4$He monolayer on $\gamma$-graphyne
• Possible role of 3He impurities in solid 4He
• 3He on preplated graphite
• Low-density phases of ${}^3$He monolayers adsorbed on graphite
• Superfluid transition of the second layer of He-4 on graphite: does substrate corrugation matter?
• Density functional theory beyond the Born-Oppenheimer approximation: accurate treatment of the ionic zero-point motion
• Superfluid Onset and Compressibility of ${}^4$He Films Adsorbed on Carbon Nanotubes
• Quantum fluids in nanopores
• Quantum simulation of 3He impurities and of 4He interstitials in solid 4He
• Effects of substrate corrugation during helium adsorption on graphene in the grand canonical ensemble
• On the Novel Superfluidity in the Second Layer of ${}^4$He on Graphite