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Propagation of Electromagnetic Waves in a Space Charge Rotating in a Magnetic Field

Blewett, John P. and Ramo, Simon (1941) Propagation of Electromagnetic Waves in a Space Charge Rotating in a Magnetic Field. Journal of Applied Physics, 12 (12). pp. 856-859. ISSN 0021-8979. doi:10.1063/1.1712877. https://resolver.caltech.edu/CaltechAUTHORS:LEjap41

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Abstract

A theoretical discussion is presented of the transmission of electromagnetic waves of the symmetrical, transverse magnetic type by a space charge of uniform density, rotating under the influence of a uniform magnetic field. It is shown that the space charge presents to the wave an effective dielectric constant less than unity. By appropriate choices of magnetic field, the dielectric constant can be reduced to zero and can even become negative, so that the wave undergoes attenuation as it passes through the space charge. Experiments are described on the control of the propagation constants of 470-megacycle waves by variation of the dielectric constant of the rotating space charge medium. The results obtained are in agreement with the theoretical predictions.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1712877DOIUNSPECIFIED
http://link.aip.org/link/?JAPIAU/12/856/1PublisherUNSPECIFIED
Additional Information:©1941 The American Institute of Physics. Received August 20, 1941.
Issue or Number:12
DOI:10.1063/1.1712877
Record Number:CaltechAUTHORS:LEjap41
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:LEjap41
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11188
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:22 Jul 2008 21:42
Last Modified:08 Nov 2021 21:34

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