Simulation study of radiation generation by upper-hybrid waves in space plasmas

Eliasson, B. and Shukla, P.K. (2003) Simulation study of radiation generation by upper-hybrid waves in space plasmas. Physics Letters A, 312 (1-2). pp. 91-96. ISSN 0375-9601

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Abstract

In planetary magnetospheres and in the Earth's ionosphere, continuum radiation has been frequently observed. By employing a semi-theoretical model and a Vlasov simulation code, it is shown that electromagnetic slow X (or Z) waves can be nonlinearly excited by a large amplitude upper-hybrid pump. In our process, the latter decays into electromagnetic and lower-hybrid waves. The growth rate of the parametric instability is numerically calculated and compared with simulation results from a direct Vlasov code. Both semi-theoretical and simulation results are in good agreement.

ORCID iDs

Eliasson, B. ORCID logoORCID: https://orcid.org/0000-0001-6039-1574 and Shukla, P.K.;