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Alfred Leitner - Liquid Helium II the Superfluid

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Published on Oct 30, 2011

In 1963, Alfred Leitner discussed the properties of liquid Helium-4 and how this substance can attain the phase of superfluidity, a liquid with zero viscosity, zero entropy, and infinite thermal conductivity. Liquids in a superfluid state will give rise to a phenomenon called the "second sound", where heat transfer behaves in a wave-like motion in a similar vein how sound waves propagate through a medium.

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