Generation of Langmuir waves from whistler waves by the plasma maser

Masanori Eda, Jun-ichi Sakai, Jie Zhao, Torsten Neubert, Mitsuhiro Nambu

Research output: Contribution to journalLetterResearchpeer-review

Abstract

Simulations using a two-dimensional electromagnetic and relativistic particle code show that high-frequency Langmuir waves can be generated by a plasma maser mechanism from low-frequency whistler waves excited by electron temperature anisotropy. It is confirmed that the plasma maser mechanism does not require an electron beam component for the generation of high-frequency Langmuir waves. We are forced to reconsider the emission mechanism of Langmuir waves observed in space plasmas.
Original languageEnglish
JournalJournal of the Physical Society of Japan
Volume66
Issue number3
Pages (from-to)525-528
ISSN0031-9015
DOIs
Publication statusPublished - Mar 1997
Externally publishedYes

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