Bibliography



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2020

Dynamical Coupling of Energetic Electrons and Upper-Hybrid Thermal Fluctuations in the Earth s Radiation Belt

Abstract The inner magnetosphere including the radiation belt environment is replete with quasi-electrostatic fluctuations with peak frequency in the upper-hybrid frequency range. Some examples are demonstrated with the Van Allen Probe spacecraft data. These features have recently been explained in the framework of spontaneously emitted thermal noise theory. Such an environment is also characterized by quasi-isotropic population of energized electrons, which naturally leads one to ask whether these electrons and the upper-hy ...

Yoon, Peter; Hwang, Junga;

YEAR: 2020     DOI: 10.1029/2019JA027748

upper-hybrid fluctuation; energetic electron; Radiation belt; Van Allen Probes; spontaneous emission; thermal noise

2018

High-frequency thermal fluctuations and instabilities in the radiation belt environment

This paper overviews the electrostatic and electromagnetic theories of spontaneous emission in magnetized plasma as they relate to measured electric and magnetic field fluctuations in quiet time radiation belt and ring current region. The pervasively detected high-frequency fluctuations in the upper-hybrid frequency range as well as the background low-frequency range spectral profile in the whistler mode range are explained within the context of the spontaneous emission theory. The quasilinear calculation of loss-cone instab ...

Hwang, Junga; Yoon, Peter;

YEAR: 2018     DOI: 10.1029/2018JA025643

loss cone instability; Radiation belt; spontaneous emission; upper hybrid wave; Van Allen Probes



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