3 papers
physics.plasm-ph2026
Nonlinear evolution of perturbatively driven kinetic instabilities far from marginal stability
Emma G. Devin, VinÃcius N. Duarte
Kinetic instabilities develop when a system's distribution function deviates from thermal equilibrium in such a way that allows free energy from that distribution to drive resonant…
physics.plasm-ph2026
Behavior of kinetic instabilities in a dynamically forming resonant distribution
E. J. Hartigan-O'Connor, T. Barberis, E. G. Devin +2
Instabilities driven by energetic particles are central to the physics of a burning plasma. The majority of kinetic simulations and reduced models assume that the unstable distribu…
physics.plasm-ph2025
Perturbative model for the saturation of energetic-particle-driven modes limited by self-generated zonal modes
Tommaso Barberis, VinÃcius N. Duarte, Eamon J. Hartigan-O'Connor +1
We present a simplified approach enforcing energy conservation to incorporate the effects of zonal modes alongside wave-particle nonlinearities in the determination of the saturati…