Concepedia

Third Sound and the Healing Length of He II in Films as Thin as 2.1 Atomic Layers

J. H. Scholtz, E. O. McLean, I. Rudnick

Physical Review Letters · 1974 · 167 citations · 10 references

DOI

Concepts

Abstract

Measurements of the velocity of third sound on films as thin as 2.1 atomic layers yield the healing length of superfluid He II down to temperatures of 0.1 K. It is argued that these films are two-dimensional superfluids.

References

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