LIQUID HELIUM PART 1

Pradip Kumar Mondal

April 22, 2020

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Londons explanation of superfluidity

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Londons explanation of superfluidity

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The search for condensate

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Neutron scattering

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Helium-4 condensate

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Helium-4 superfluid

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Two-fluid model

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Connection with BEC

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Two-fluid model

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Two-fluid model

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Andronikashvilis experiment

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Viscosity measurement

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Boiling helium

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Fountain effect

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Viscosity experiments explained

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Fountain effect explained

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Silent boiling explained

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Silent boiling explained

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