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Interpretation of Cluster data on chorus emissions using the backward wave oscillator model

Trakhtengerts, V. Y.; Demekhov, A. G.; Titova, E. E. +4 more

The measurements of chorus emissions by four closely separated Cluster spacecraft provide important information concerning the chorus generation mechanism. They confirm such properties of the wave source as their strong localization near the equatorial cross section of a magnetic flux tube, an almost parallel average wave-vector direction with res…

Wavelet analysis of magnetic turbulence in the Earth's plasma sheet

Balogh, A.; Zhang, T. L.; Nakamura, R. +4 more

Recent studies provide evidence for the multiscale nature of magnetic turbulence in the plasma sheet. Wavelet methods represent modern time series analysis techniques suitable for the description of statistical characteristics of multiscale turbulence. Cluster FGM (fluxgate magnetometer) magnetic field high-resolution (67 Hz) measurements are stud…