Electrodynamic friction of a charged particle passing a conducting plate
Electrodynamic friction of a charged particle passing a conducting plate
The classical electromagnetic friction of a charged particle, moving with prescribed constant velocity v parallel to a planar imperfectly conducting surface, is reinvestigated. As a concrete example, the Drude model is used to describe the conductor. The transverse electric and transverse magnetic contributions have very different characters both in the low-velocity (nonrelativistic) and high-velocity (ultrarelativistic) regimes. Both numerical and analytical results are given. Most remarkably, the transverse magnetic contribution to the friction has a maximum for |v| < c, and persists in the limit of vanishing resistivity for sufficiently high velocities. We also show how Vavilov-Čerenkov radiation can be treated in the same formalism.
1-8
Milton, Kimball A.
32b2e838-92a4-4f2d-a33d-ab54ddaf8e08
Li, Yang
0fc31bbe-98b1-4955-a63b-10ae4338b8f3
Guo, Xin
b2ea544e-fef3-4e4e-9a55-0df06042362f
Kennedy, Gerard
47b61664-2d2d-45fa-a73a-5af7a7c740cd
May 2020
Milton, Kimball A.
32b2e838-92a4-4f2d-a33d-ab54ddaf8e08
Li, Yang
0fc31bbe-98b1-4955-a63b-10ae4338b8f3
Guo, Xin
b2ea544e-fef3-4e4e-9a55-0df06042362f
Kennedy, Gerard
47b61664-2d2d-45fa-a73a-5af7a7c740cd
Milton, Kimball A., Li, Yang, Guo, Xin and Kennedy, Gerard
(2020)
Electrodynamic friction of a charged particle passing a conducting plate.
Physical Review Research, 2 (2), , [023114].
(doi:10.1103/PhysRevResearch.2.023114).
Abstract
The classical electromagnetic friction of a charged particle, moving with prescribed constant velocity v parallel to a planar imperfectly conducting surface, is reinvestigated. As a concrete example, the Drude model is used to describe the conductor. The transverse electric and transverse magnetic contributions have very different characters both in the low-velocity (nonrelativistic) and high-velocity (ultrarelativistic) regimes. Both numerical and analytical results are given. Most remarkably, the transverse magnetic contribution to the friction has a maximum for |v| < c, and persists in the limit of vanishing resistivity for sufficiently high velocities. We also show how Vavilov-Čerenkov radiation can be treated in the same formalism.
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classfriction-rev_resubmitted
- Accepted Manuscript
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Phys Rev Research.2.023114
- Version of Record
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Accepted/In Press date: 30 March 2020
e-pub ahead of print date: 1 May 2020
Published date: May 2020
Identifiers
Local EPrints ID: 441014
URI: http://eprints.soton.ac.uk/id/eprint/441014
ISSN: 2643-1564
PURE UUID: 4fdcfc1d-de14-4cd6-805c-261272de3cb5
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Date deposited: 27 May 2020 16:55
Last modified: 17 Mar 2024 02:59
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Contributors
Author:
Kimball A. Milton
Author:
Yang Li
Author:
Xin Guo
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