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Evaluation of Plasma Properties From Chorus Waves Observed at the Generation Region

In this study we present an inversion method which provides thermal plasma population parameters from characteristics of chorus emissions only. Our ultimate goal is to apply this method to ground-based data in order to derive the lower-energy boundary condition for many radiation belt models. The first step is to test the chorus inversion method on in situ data of the Van Allen Probes in the generation region. The density and thermal velocity of energetic electrons (few kiloelectron volts to 100 keV) are derived from frequen ...

asz, Lilla; Omura, Yoshiharu; Lichtenberger, J\; Friedel, Reinhard;

YEAR: 2019     DOI: 10.1029/2018JA026337

chorus inversion; Van Allen Probes; Wave-particle interaction


THEMIS observation of intermittent turbulence behind the quasi-parallel and quasi-perpendicular shocks

Turbulence is complex behavior that is ubiquitous in nature, but its mechanism is still not sufficiently clear. Therefore, the main aim of this paper is analysis of intermittent turbulence in magnetospheric and solar wind plasmas using a statistical approach based on experimental data acquired from space missions. The quintet spacecraft of Time History of Events and Macroscale Interactions during Substorms (THEMIS) allows us to investigate the details of turbulent plasma parameters behind the collisionless shocks. We investi ...

Macek, W.; Wawrzaszek, A.; Sibeck, D.;

YEAR: 2015     DOI: 10.1002/2015JA021656

intermittency; magnetosheath; shocks; Solar wind; Space plasma; turbulence