Preprint
Oct 2026
Numerical and diagnostic extensions to the gyrokinetic $\delta f$ code stella
Understanding turbulence in magnetised plasmas requires robust numerical tools capable of capturing complex free-energy transfer processes across scales. We demonstrate the utility of free energy as a diagnostic for both physical turbulence characteristics and numerical stability in gyrokinetic simulations with the ste...
S. Stroteich, G. Acton, Michael Barnes et al.
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