Superfluid Onset and Compressibility of ${}^4$He Films Adsorbed on Carbon Nanotubes

Emin Menachekanian, Vito Iaia, Mingyu Fan +7

Third sound measurements of superfluid ${}^4$He thin films adsorbed on 10 nm diameter multiwall carbon nanotubes are used to probe the superfluid onset temperature as a function of t…