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An intercomparison of plasma turbulence at three comets: Grigg-Skjellerup, Giacobini-Zinner, and Halley

Glassmeier, K. -H.; Neubauer, F. M.; Tsurutani, Bruce T.

We examine and intercompare the LF plasma wave turbulence at three comets: Grigg-Skjellerup (GS), Giacobini-Zinner (GZ), and Halley (H). All three have power spectral peaks at the local ion cyclotron frequency (the pump wave) at ∼10^-2 Hz, and a power-law fall-off at higher frequencies that suggest the development of turbulent cascades […