Abstract
The oscillations of two helium baths coupled by the saturated film have been studied with a new method employing positive ions. The sensitivity of such a method for the variation of liquid-level height is found to be of the order of 10−6 cm. The film current was observed to be modulated with a frequency double that of the level oscillations. This interesting new feature is discussed in the framework of the present theory of liquid helium.
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Bianconi, A., Maraviglia, B. Ionic currents modulated by film flow in superfluid helium. J Low Temp Phys 1, 201–213 (1969). https://doi.org/10.1007/BF00628408
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DOI: https://doi.org/10.1007/BF00628408