Study of nonlinear interaction of waves through plasma-maser in magnetosphere plasma |
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| Institution: | 1. Centro de Astrobiología (CSIC-INTA), Torrejón de Ardoz 28850, Spain;2. Centro de Biología Molecular (CSIC-UAM), Universidad Autónoma de Madrid, Cantoblanco, Madrid 28049, Spain;3. Departamento de Biología, Universidad Autónoma de Madrid, Cantoblanco, Madrid 28049, Spain;1. Department of Mathematics, Augsburg College, Campus Box 41, 2211 Riverside Ave, Minneapolis, MN 55454, USA;2. Institute of the Physics of the Earth, Moscow, Russia, and Augsburg College, 2211 Riverside Ave, Minneapolis, MN 55454, USA;3. Department of Physics, Augsburg College, 2211 Riverside Ave, Minneapolis, MN 55454, USA;1. Astrobiology Laboratory, Leiden Institute of Chemistry, P.O. Box 9502, 2300 RA Leiden, The Netherlands;2. ESA Research and Scientific Support Department, P.O. Box 299, 2200 AG Noordwijk, The Netherlands;3. Space Science Division, NASA Ames Research Center, MS 245-6, Moffett Field, CA 94035, USA |
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| Abstract: | A theoretical study is made on the generation mechanism of electrostatic Bernstein mode wave in the presence of electromagnetic Kinetic Alfven wave turbulence in magnetized inhomogeneous plasma on the basis of plasma-maser interaction. It is shown that a test high-frequency electrostatic Bernstein mode wave is unstable in the presence of low-frequency Kinetic Alfven wave turbulence. Because of the universal existence of the Kinetic Alfven waves in large-scale plasmas, the result has potential importance in space and astrophysical radiation process. The growth rate of the test high-frequency Bernstein mode wave is obtained with the involvement of spatial density gradient parameter. A comparative study on the role of density gradient in the generation of Bernstein mode on the basis of plasma-maser effect is presented. |
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