The Superfluidity of Liquid Helium
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The helium atom is particularly simple, stable and symmetric. Two 1s electrons of opposite spin fill the K shell and are bound closely to the nucleus: its ionization potential of 24.5 eV is larger than for any other atom. Transitions between atomic levels due to thermal agitation have very low probability when the temperature is below 103 K.
KeywordsLiquid Helium Bose Condensation Quantum Liquid Bose Statistic Superfluid Component
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Superfluidity of Liquid Helium
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