GX is a code designed to solve the nonlinear gyrokinetic system for low-frequency
turbulence in magnetized plasmas, particularly tokamaks and stellarators. In GX, our primary …

In this work, we modify the standard flux tube simulation domain to include arbitrary ion
gyroradius-scale variation in the radial profile of the safety factor. To determine how to …

Starting from the assumption that saturation of plasma turbulence driven by temperature-
gradient instabilities in fusion plasmas is achieved by a local energy cascade between a …

The steep plasma pressure gradient that forms at the edge of the high confinement, H-mode
regime of tokamak operation provides free energy to drive electromagnetic micro …

Quantifying the role of higher order neoclassical corrections to gyrokinetics in tokamak plasmas
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We formulate a generalized periodic boundary condition as a limit of the standard twist-and-
shift parallel boundary condition that is suitable for simulations of plasmas with low magnetic …