Unexpected hydrodynamic behavior of multielectron bubbles in liquid helium I | Zendy

Ulrike Albrecht | Zendy; P. Leǐderer | Zendy

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Unexpected hydrodynamic behavior of multielectron bubbles in liquid helium I

Author(s) -

Ulrike Albrecht,

P. Leǐderer

Publication year - 1992

Publication title -

journal of low temperature physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.598

H-Index - 67

eISSN - 1573-7357

pISSN - 0022-2291

DOI - 10.1007/bf00121982

Subject(s) - liquid helium , electric field , physics , electron , helium , atomic physics , charge (physics) , drag , helium 4 , bubble , electric charge , mechanics , condensed matter physics , nuclear physics , quantum mechanics

We have investigated multielectron bubbles (with charges Z ~ 106 electrons) in normal liquid 4He. The drift velocity in an electric field and the charge of the bubbles were measured simultaneously. We found the drag coefficient to be over an order of magnitude higher than expected from ordinary hydrodynamics. The velocities did not show a correlation with the charge and could vary up to a factor of 3 for equally charged bubbles.

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