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Injection of charge into liquid helium by field-emission and field-ionisation.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter



We report measurements of field-emission/ionisation currents from sharp tungsten points held between ± 5kV into liquid helium in the range 0.3-4.2 K; and direct observation of a glowing microscopic bubble of vapour enveloping the emitting tip. We discuss the complex temperature dependence of the current in terms of a spacecharge trapped on vorticity.

Bibliographic note

Proceedings of the 12th International Conference on Low Temperature Physics, Kyoto, Japan, 4-10 September 1970.