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PISA, July, 16, 2007. The Effective Mass of Charged Carrier in a Nonpolar Liquid: “Snowball” in the Superfluid He 4. Andrei Varlamov COHERENTIA INFM-CNR, Rome, Italy. In collaboration with: Ioulia Chikina, CEA, Saclay, Gif-sur-Yvette, France Valerii Shikin, ISSP, Chernogolovka, Russia.
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PISA, July, 16, 2007 The Effective Mass of Charged Carrier in a Nonpolar Liquid:“Snowball” in the Superfluid He4 Andrei Varlamov COHERENTIA INFM-CNR, Rome, Italy In collaboration with: Ioulia Chikina, CEA, Saclay, Gif-sur-Yvette, France Valerii Shikin, ISSP, Chernogolovka, Russia
Outline • Charged transport in liquid helium • “Snowball” model for the charge carrier effective mass in superfluid liquid (advantages and non …) • Ion effective mass in normal liquids • Effective mass cloud model under the same conditions Stationary motion Oscillatory regime • Discussion and comparison with the experiment
Pressure and liquid density distributionsaround the ion Non-polar liquid around point like charge a is thepolarisation of individual atom v is the volume of individual solvent atom s is the sound velosty
P(r) Snowball effective mass Atkins K, 1959 (Phys Rev 116, 1339) r
The reduced effective mass of the positive ion plotted against temperature CJ Mellor et all 1988, J Phys Solid State Phys 21, 325
Normal Stokes Radius Definition Continuity equation Stokes equation
Oscillatory regime M wt 1