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- Title
Screening of the Coulomb field in a magnetized electron gas of a quantum cylinder.
- Authors
Éminov, P.
- Abstract
The quantum theory is constructed for screening of the Coulomb field of a point charge in a magnetized electron gas of a quantum cylinder. The asymptotics of the screened potential are calculated for both degenerate and Boltzmann electron gases. It is demonstrated that, in the degenerate case, apart from the known quasi-classical monotonic part, the result contains the quantum oscillating part, which corresponds to Friedel oscillations. The Aharonov-Bohm oscillations of the screened Coulomb interaction of electrons on a cylindrical surface are described analytically. It is shown that the Friedel oscillations can be represented as a superposition of oscillations with different frequencies which are determined by the macroscopic properties of the nanotube.
- Subjects
PARTICLES (Nuclear physics); FLUCTUATIONS (Physics); OSCILLATIONS; CATHODE rays; MAGNETIZATION
- Publication
Journal of Experimental & Theoretical Physics, 2009, Vol 108, Issue 5, p898
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776109050197