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Dispersion Relation of Waves in Hot Plasma Located in Rotating Electromagnetic Field
American Journal of Physics and Applications
Volume 4, Issue 1, January 2016, Pages: 1-4
Received: Oct. 30, 2015; Accepted: Nov. 25, 2015; Published: Jan. 16, 2016
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Authors
Albert Kazadi Mukenga Bantu, Department of Physics, University of Kinshasa, Kinshasa, Democratic Republic of Congo
Nyamu Molibi, Department of Physics, University of Kinshasa, Kinshasa, Democratic Republic of Congo
Liyoko Mboyo, Department of Physics, University of Kinshasa, Kinshasa, Democratic Republic of Congo
Alain Musongela Lubo, Department of Physics, University of Kinshasa, Kinshasa, Democratic Republic of Congo
Philippe Badibanga Mudibu, Department of Physics, University of Kinshasa, Kinshasa, Democratic Republic of Congo
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Abstract
The procedure used to obtain the expression of the dielectric tensor of cold plasma in a rotating electromagnetic field has been presented in our previous paper. We used this procedure to derivate the dielectric tensor for hot plasma in a rotating electromagnetic field. By means of the expression of dielectric tensor which expresses the linear response of plasma, we derived, discussed and compared the dispersion relation for waves in hot plasma with the one obtained for cold plasma located in a rotating electromagnetic field. This dispersion relation, which is , depends on three variables: wave's vector , angular frequency Ω and temperature parameter Ta of particles kind ''a''. The super fix "c" means "hot" in this relation. We observed that more the temperature is higher, more is the electrical conductivity of plasma (weak is the resistivity of hot plasma). The study revealed that the dispersion relation has a temperature parameter in its exponential part. We observe also that: 1) when the temperature parameter Ta tends to zero, the exponential factor tends to unity.  is the dispersion relation of cold plasma, where the super fix "f" means "cold". 2) the temperature parameter Ta tends to infinity when exponential factor tends to zero.  is the limit case of dispersion relation of hot plasma.
Keywords
Dispersion Relation, Waves in Hot Plasma, Dielectric Tensor
To cite this article
Albert Kazadi Mukenga Bantu, Nyamu Molibi, Liyoko Mboyo, Alain Musongela Lubo, Philippe Badibanga Mudibu, Dispersion Relation of Waves in Hot Plasma Located in Rotating Electromagnetic Field, American Journal of Physics and Applications. Vol. 4, No. 1, 2016, pp. 1-4. doi: 10.11648/j.ajpa.20160401.11
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Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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