Nonlinear gyrokinetic simulations of microtearing modes in NSTX and NSTX-U-like plasmas
A systematic nonlinear gyrokinetic analysis of microtearing modes (MTMs) in National Spherical Tokamak eXperiment (NSTX) discharges spanning high-, moderate-, and low-collisionality regimes around mid-radius is presented using the fully electromagnetic code CGYRO. The simulations retain the complete set of perturbed fi...