87 citations · 1.2k across the 60 of their papers we have counts for
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Intrinsic rotation driven by turbulent acceleration
Michael Barnes, Felix I. Parra
Differential rotation is induced in tokamak plasmas when an underlying symmetry of the governing gyrokinetic-Maxwell system of equations is broken. One such symmetry-breaking mecha…
: a mixed implicit-explicit, delta-f gyrokinetic code for general magnetic field configurations
Michael Barnes, Felix Parra-Diaz, Matt Landreman
Here we present details of a mixed implicit-explicit numerical scheme for the solution of the gyrokinetic-Poisson system of equations in the local limit. This scheme has been imple…
Solution to a collisionless shallow-angle magnetic presheath with kinetic ions
Alessandro Geraldini, Felix I. Parra, Fulvio Militello
Using a kinetic model for the ions and adiabatic electrons, we solve a steady state, electron-repelling magnetic presheath in which a uniform magnetic field makes a small angle $α\…
Stellarator impurity flux driven by electric fields tangent to magnetic surfaces
Ivan Calvo, Felix I. Parra, J. L. Velasco +2
The control of impurity accumulation is one of the main challenges for future stellarator fusion reactors. The standard argument to explain this accumulation relies on the, in prin…