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physics.plasm-ph2024
The High-Order Magnetic Near-Axis Expansion: Ill-Posedness and Regularization
Maximilian Ruth, Rogerio Jorge, David Bindel
When analyzing stellarator configurations, it is common to perform an asymptotic expansion about the magnetic axis. This so-called near-axis expansion is convenient for the same re…
physics.plasm-ph2024
Non-perturbative guiding center model for magnetized plasmas
J. W. Burby, I. A. Maldonado, M. Ruth +1
Perturbative guiding center theory adequately describes the slow drift motion of charged particles in the strongly-magnetized regime characteristic of thermal particle populations…