Volume 59, Number 6, September II 2002
|Page(s)||862 - 867|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 September 2002|
Propagative modes along a superfluid helium-4 meniscus
Laboratoire de Physique Statistique de l'École
Normale Supérieure associé au CNRS et aux Universités
Paris 6 et Paris 7
24 rue Lhomond, 75231 Paris Cedex 05 France
Accepted: 27 June 2002
We have studied the dynamics of a superfluid helium-4 meniscus on a solid substrate. In a pseudo–non-wetting situation, there is no hysteresis of the contact angle. We show that distortions of a liquid meniscus do propagate along the contact line. We have analyzed the propagation of pulses. We find a good agreement with theoretical predictions by Brochard for the dispersion relation of oscillation modes of the contact line.
PACS: 68.08.Bc – Wetting / 68.15.+e – Liquid thin films / 83.10.Bb – Kinematics of deformation and flow
© EDP Sciences, 2002
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