978-1-940366-36-4_WholeBook

Superconductivity and Superfluidity
- A centaur! - was answer.
This nickname stuck firmly to P. Kapitsa. The scientists of the older generation called
him by the same nickname, even decades later.
Stalin, of course, was a criminal. Thanks to his efforts, almost each family in the vast
country lost some of its members in the terror of unjustified executions or imprisonments.
However Stalin’s role in the history of superfluidity can be considered positive. All was
going well for Kapitsa in Russia, if to consider researches of superfluidity.
Figure 5.3
L. D. Landau.
Already after a couple of years, L. Landau 1 was able to give a theoretical explanation of
this phenomenon. He viewed helium-II as a substance where the laws of quantum physics
1 Before P. Kapitsa spent a lot of the courage to pull out L. Landau from the stalinist prison.
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