Possible long-range step interaction in 4He due to step oscillation
- 1 January 1990
- journal article
- Published by EDP Sciences in Journal de Physique
- Vol. 51 (24) , 2743-2746
- https://doi.org/10.1051/jphys:0199000510240274300
Abstract
Hydrodynamic interaction of steps is considered. Origin of the interaction is interference of superfluid flow associated with the step oscillation. We calculate contribution of the step oscillation to the surface free energy at high temperatures, and find that the interaction is repulsive and inversely proportional to the step distanceKeywords
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