On the Hydrodynamic Boundary Condition for Superfluid Flow

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dc.creatorPomeau, Yves
dc.creatorRoberts, David C.
dc.date2007-02-28
dc.date2008-02-29
dc.date.accessioned2026-07-07T09:30:10Z
dc.date.available2026-07-07T09:30:10Z
dc.descriptionWe discuss the hydrodynamic boundary condition for a superfluid moving tangentially to a rough surface. Specifically, we argue that the scattering of quantum fluctuations off surface roughness affects the nature of the boundary condition, and that this has important consequences including a new theorized critical speed and the presence of normal fluid at any nonzero speed, even if the boundary is held at zero temperature. This hydrodynamic boundary condition is relevant not only for superfluid helium experiments but also for experiments with trapped dilute Bose-Einstein condensates, in particular those involving atomic waveguides near surfaces.
dc.descriptionAccepted to Phys. Rev. B. v2: greatly expanded discussion; clarified unclear areas and corrected misleading statements
dc.identifierhttps://arxiv.org/abs/cond-mat/0702669
dc.identifierhttp://arxiv.org/abs/cond-mat/0702669
dc.identifierPhys. Rev. B 77, 144508 (2008)
dc.identifierdoi:10.1103/PhysRevB.77.144508
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158042
dc.subjectStatistical Mechanics
dc.subjectOther Condensed Matter
dc.titleOn the Hydrodynamic Boundary Condition for Superfluid Flow
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