Modulational instability of fast magnetosonic waves emitted from a pinching current sheet

✍ Scribed by Toshiaki Fushiki; Jun-Ichi Sakai

Publisher: Springer
Year: 1994
Tongue: English
Weight: 934 KB
Volume: 150
Category: Article
ISSN: 0038-0938
DOI: 10.1007/bf00712881

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Modulational instability of fast magneto

Modulational instability of fast magnetosonic waves in a solar plasma

✍ Jun-Ichi Sakai 📂 Article 📅 1983 🏛 Springer 🌐 English ⚖ 419 KB

Transverse amplitude modulations of fast magnetosonic waves propagating perpendicular to the background magnetic field are shown to be unstable on a time scale z-~ 211/V, ep, if the wave amplitude ~0 exceeds a critical value, tpc = Cs/V a. The slow modes generated by the modulational instability und