Research

Radiation belt dynamics

Mechanisms of energization, transport, and decay of relativistic electrons in the Van Allen belts. Enhancement and dropout events during geomagnetic storms. Formation, evolution, and decay of ultrarelativistic remnant belts. Adiabatic and non-adiabatic processes in the outer radiation belt. Auroral phenomena and their influence on radiation belt dynamics.

Data: Van Allen Probes (MagEIS, REPT, EMFISIS, EFW), GOES, THEMIS

ULF waves and magnetospheric turbulence

Role of electromagnetic ULF waves in trapped charged particle dynamics. Magnetospheric turbulence and total pressure balance during storms and substorms. Eddy diffusion coefficients in the plasma sheet (THEMIS observations). Wave-particle interactions and relativistic electron loss processes.

Data: Magnetometers (SAMBA, MACCS, THEMIS GBO, CARISMA), SuperDARN, THEMIS

Space weather prediction with Machine Learning

Prediction of ground magnetic perturbations and geomagnetically induced currents (GIC). Probabilistic forecasting using deep learning (RNN, CNN, LSTM). ML model explainability for operational space weather (SHAP, LIME). Plasmapause location with machine learning.

Tools: Python, TensorFlow-Keras, PyTorch, Scikit-learn. Real-time OMNI data

Solar wind — magnetosphere coupling

Solar wind dynamic pressure effects on magnetospheric turbulence. Foreshock transients and magnetospheric perturbations (NASA LWS). Expanding plasma systems: solar and stellar winds. Adiabatic invariants and non-adiabatic mechanisms in solar wind expansion.

Data: OMNI, THEMIS, Van Allen Probes, GOES

JGR: Space Physics · DOI

Physica Scripta · DOI

Physica Scripta · DOI

Space Weather · DOI

Universe · DOI

GRL · DOI

Front. Astron. Space Sci. · DOI