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Effective mass of surface electrons in helium under non-equilibrium conditions

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
38
Issue
7
Identifiers
DOI: 10.1016/0038-1098(81)90951-0
Disciplines
  • Physics

Abstract

Abstract The mass shift of surface electrons in helium has been investigated theoretically caused by electron-ripplon interaction as a function of electromagnetic field power absorbed by a system. It is shown that the mass shift is negative at weak powers of external field but it increases as the power increases and changes its sign. The results of calculation and comparison with the experimental data testify to the favourable role of two-ripplon scattering processes in energy relaxation of surface electrons above helium.

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