Trapping of a Charged Particle in a Static Magnetic Field
作者:
Don A. Baker,
期刊:
American Journal of Physics
(AIP Available online 1964)
卷期:
Volume 32,
issue 5
页码: 347-354
ISSN:0002-9505
年代: 1964
DOI:10.1119/1.1970343
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
Contrary to a rather widespread belief, the Newton-Lorentz equation of motionmdv/dt = qv × Bdoes not exclude orbit solutions which represent the trapping of a charged particle which is externally injected into a region of time-independent magnetic field. Specific examples of such orbits are demonstrated. Theorems of Liouville and Poincaré are used to clarify the nature of the restrictions which classical mechanics imposes upon the injection and trapping of charged particles in a static magnetic field.
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