Critical Velocity for He II Superfluidity Motion in Channels Narrower than Micrometer

Abstract

We derive an exact equation for the critical velocity for He II superfluidity motion in channels of width $<10^{-5}$ m for which no quantitatively satisfactory prediction exists prior to this work.

arXiv comment5 pages, 1 figure. Minor update

References in corpus (3)

• The superfluidity mechanism of He II
• The Theory of Superfluidity of ${}^4$Helium
• The microscopic theory of superfluid ${}^4$He