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This thesis focuses on the construction and application of an electron radiation belt kinetic model including various adiabatic and non-adiabatic processes. The terrestrial radiation belt was discovered over 50 years ago and has received a resurgence of interest in recent years. The main drivers of radiation belt research are the fundamental science questions surrounding its complex and dramatic dynamics and particularly its potential hazards posed to space-borne systems. The establishment of physics-based radiation belt models will be able to identify the contributions of various mechanisms, forecast the future radiation belt evolution and then mitigate its adverse space weather effects.

Dr. Su is now an Professor works in Department of Geophysics and Planetary Sciences, University of Science and Technology of China, Hefei, China.



Chapter 1. Background and Motivation

The radiation belt discovered in 1958 has received increasing attention in the space physics community. Radiation belt models are required to understand the physical mechanisms for its sources and sinks, and predict its variability.

Zhenpeng Su

Chapter 2. Local Diffusion

Radiation belt electrons can cyclotron resonate with some magnetospheric plasma waves, and then experience the significant acceleration or loss process.

Zhenpeng Su

Chapter 3. Radial Diffusion

The ultra low-frequency waves can drift-resonate with the energetic electrons, violate the third adiabatic invariant, and then drive the so-called radial diffusion process.

Zhenpeng Su

Chapter 4. Adiabatic Transport

In response to the large-scale variation in geomagnetic field, the trapped electrons experience the adiabatic transport process (conserving the three adiabatic invariants but changing the pitch-angle, energy, and drift-shell




Zhenpeng Su

Chapter 5. Magnetospheric Convection

Magnetospheric convection corresponds to the magnetic and electric drifts of radiation belt electrons.

Zhenpeng Su

Chapter 6. Summary

We summarize the developments of STEERB model and give the comparison of several radiation belt kinetic models of different research groups.

Zhenpeng Su
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