sound in superfluid helium

См. также в других словарях:

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• Hélium 4 — Hélium Traduction à relire Helium → …   Wikipédia en Français

• Superfluid — Superfluidity is a phase of matter or description of heat capacity in which unusual effects are observed when liquids, typically of helium 4 or helium 3, overcome friction by surface interaction when at a stage, known as the lambda point for… …   Wikipedia

• Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …   Wikipedia

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• Second sound — is a quantum mechanical phenomenon in which heat transfer occurs by wave like motion, rather than by the more usual mechanism of diffusion. This leads to a very high thermal conductivity. It is known as second sound because the wave motion of… …   Wikipedia

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• The Fractal Sound — Datos generales Origen Zaragoza, España …   Wikipedia Español

• second sound — noun A wave of fluctuating temperature or entropy propagated in the superfluid phase of liquid helium …   Wiktionary

• Rollin film — Helium II will creep along surfaces in order to find its own level after a short while, the levels in the two containers will equalize. The Rollin film also covers the interior of the larger container; if it were not sealed, the helium II would… …   Wikipedia

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