2024
DOI: 10.1051/0004-6361/202449334
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Superdiffusion of energetic particles at shocks: A fractional diffusion and Lévy flight model of spatial transport

Frederic Effenberger,
Sophie Aerdker,
Lukas Merten
et al.

Abstract: The observed power laws in space and time profiles of energetic particles in the heliosphere can be the result of an underlying superdiffusive transport behavior. Such anomalous, non-Gaussian transport regimes can arise, for example, as a consequence of intermittent structures in the solar wind. Non-diffusive transport regimes may also play a critical role in other astrophysical environments such as supernova remnant shocks. To clarify the role of superdiffusion in the transport of particles near shocks, we st… Show more

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