Drift orbit bifurcations and cross‐field transport in the outer radiation belt: Global MHD and integrated test‐particle simulations
RT Desai, JP Eastwood, RB Horne… - Journal of …, 2021 - Wiley Online Library
Energetic particle fluxes in the outer magnetosphere present a significant challenge to
modeling efforts as they can vary by orders of magnitude in response to solar wind driving
conditions. In this study, we demonstrate the ability to propagate test particles through global
magnetohydrodynamic (MHD) simulations to a high level of precision and use this to map
the cross‐field radial transport associated with relativistic electrons undergoing drift orbit
bifurcations (DOBs). The simulations predict DOBs primarily occur within an Earth radius of …
modeling efforts as they can vary by orders of magnitude in response to solar wind driving
conditions. In this study, we demonstrate the ability to propagate test particles through global
magnetohydrodynamic (MHD) simulations to a high level of precision and use this to map
the cross‐field radial transport associated with relativistic electrons undergoing drift orbit
bifurcations (DOBs). The simulations predict DOBs primarily occur within an Earth radius of …
[PDF][PDF] Drift orbit bifurcations and cross‐field transport in the outer radiation belt
Energetic particle fluxes in the outer magnetosphere present a significant challenge to
modeling efforts as they can vary by orders of magnitude in response to solar wind driving
conditions. In this study, we demonstrate the ability to propagate test particles through global
magnetohydrodynamic (MHD) simulations to a high level of precision and use this to map
the cross-field radial transport associated with relativistic electrons undergoing drift orbit
bifurcations (DOBs). The simulations predict DOBs primarily occur within an Earth radius of …
modeling efforts as they can vary by orders of magnitude in response to solar wind driving
conditions. In this study, we demonstrate the ability to propagate test particles through global
magnetohydrodynamic (MHD) simulations to a high level of precision and use this to map
the cross-field radial transport associated with relativistic electrons undergoing drift orbit
bifurcations (DOBs). The simulations predict DOBs primarily occur within an Earth radius of …
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