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Superfluid 3HeB in a realistic thin film: Gap function

✍ Scribed by Louis J. Buchholtz

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
187 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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✦ Synopsis

Function

This paper reports a calculation of superfluid in a planar film with one diffusely reflecting surface and a facing specular surface. The intent of this work is to demonstrate the use of the nonlinear Quasiclassical boundary conditions in a fully selfconsistent calculation of the superfluid gap function for a realistic anduseful geometry. The diffusely scattering boundary surface was represented by the versatile "RandomlyRippledWall" model. We display results for various surface qualities and film thicknesses.

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Anomalous dynamic behaviour of a gas of
Anomalous dynamic behaviour of a gas of quasiparticles in superfluid 3HeB
✍ S.N. Fisher; A.M. Guénault; C.J. Kennedy; G.R. Pickett 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 245 KB

In 3He-B it is possible to probe the unusual dynamics arising from the non-Newtonian dispersion relation of the excitations. Since the dispersion relation is tied to the rest frame of the condensate, it is distorted by condensate motion. A container of superfluid with a velocity gradient has a range