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First-principles Fermi acceleration in magnetized turbulence by Lemoine, Martin is a scholarly article available to read on EtoBox.

What is First-principles Fermi acceleration in magnetized turbulence about?

This work provides a concrete implementation of E. Fermi's model of particle acceleration in magnetohydrodynamic (MHD) turbulence, connecting the rate of energization to the gradients of the velocity of magnetic field lines, which it characterizes within a multifractal picture of turbulence intermittency. It then derives a transport equation in momentum space for the distribution function. This description is shown to be substantiated by a large-scale numerical simulation of strong MHD turbulence. The present, general framework can be used to model particle acceleration in a variety of environments.

Author

Lemoine, Martin

Published

2022

Language

EN