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The Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) on RBSP

TLDR
The Electric and Magnetic Field Instrument and Integrated Science (EMFISIS) investigation on the NASA Radiation Belt Storm Probes (now named the Van Allen Probes) mission provides key wave and very low frequency magnetic field measurements to understand radiation belt acceleration, loss, and transport.
Abstract
The Electric and Magnetic Field Instrument and Integrated Science (EMFISIS) investigation on the NASA Radiation Belt Storm Probes (now named the Van Allen Probes) mission provides key wave and very low frequency magnetic field measurements to understand radiation belt acceleration, loss, and transport. The key science objectives and the contribution that EMFISIS makes to providing measurements as well as theory and modeling are described. The key components of the instruments suite, both electronics and sensors, including key functional parameters, calibration, and performance, demonstrate that EMFISIS provides the needed measurements for the science of the RBSP mission. The EMFISIS operational modes and data products, along with online availability and data tools provide the radiation belt science community with one the most complete sets of data ever collected.

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Prompt Disappearance and Emergence of Radiation Belt Magnetosonic Waves Induced by Solar Wind Dynamic Pressure Variations

TL;DR: In this paper, the authors present the first report of prompt disappearance and emergence of magnetosonic waves induced by the solar wind dynamic pressure variations, and demonstrate that the dynamic pressure is an essential parameter for modeling magnetonic waves and their effect on the radiation belt electrons.
Journal ArticleDOI

Precipitation of Radiation Belt Electrons by EMIC Waves With Conjugated Observations of NOAA and Van Allen Satellites

TL;DR: In this paper, the authors presented unique conjugated satellite observations of MeV relativistic electron precipitation caused by electromagnetic ion cyclotron (EMIC) waves, which revealed that EMIC waves can solely scatter MeV radiation belt electrons into the loss cone so as to precipitate into the atmosphere.

Simulation of the energy dependent electron diffusion processes in the Earth's outer radiation belt

TL;DR: In this paper, the authors used 3D diffusion codes to simulate the electron evolution during a geomagnetic storm using the University of California, Los Angeles 3-D diffusion code and incorporated radial diffusion, local acceleration, and loss processes due to whistler mode wave observations.
References
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Journal ArticleDOI

Regular Article: A Solution-Adaptive Upwind Scheme for Ideal Magnetohydrodynamics

TL;DR: In this article, the authors present a computational scheme for compressible magnetohydrodynamics (MHD) based on the same elements that make up many modern compressible gas dynamics codes: high-resolution upwinding based on an approximate Riemann solver for MHD and limited reconstruction; an optimally smoothing multi-stage time-stepping scheme; and solution-adaptive refinement and coarsening.
Journal ArticleDOI

Relativistic theory of wave‐particle resonant diffusion with application to electron acceleration in the magnetosphere

TL;DR: In this paper, a model was proposed to account for the observed variations in the flux and pitch angle distribution of relativistic electrons during geomagnetic storms by combining pitch angle scattering by intense EMIC waves and energy diffusion during cyclotron resonant interaction with whistler mode chorus outside the plasmasphere.
Journal ArticleDOI

Pitch-angle diffusion of radiation belt electrons within the plasmasphere.

TL;DR: In this paper, the formation of the quiet-time electron slot, which divides the radiation belt electrons into an inner and an outer zone, was investigated. But the results were limited to the inner radiation zone.
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