Thomas-Fermi screening of a moving surface charge

Автор(и)

  • I. O. Kulik B.Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, 47 Lenin ave., Kharkov 310164, Ukraine

DOI:

https://doi.org/10.1063/1.593473

Ключові слова:

PACS: 71.45.Jp, 71.25.Hc, 72.10.Bg

Анотація

The dynamical screening effects in the skin layer of a metal are investigated. The electric charge density near the metal surface induced by a moving charged body outside the metal is screened at the Thomas-Fermi length if the velocity parallel to the surface is smaller than the Fermi velocity. Crisis of screening is found at the velocity approaching the Fermi velocity, which results in the electric field penetration inside the metal at large distances, and in the distortion of the electric field distribution outside the metal. The energy dissipation from a moving charged body as a function of the velocity has a pronounced singularity near the Fermi velocity.

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Опубліковано

2006-02-05

Як цитувати

(1)
Kulik, I. O. Thomas-Fermi Screening of a Moving Surface Charge. ФНТ 2006, 23, 864-879.

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Низькоpозмірні та невпорядковані системи

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