Plasma Physics

insight - Plasma Physics

Demonstration of a High-Density and High-Confinement Tokamak Plasma Regime for Fusion Energy Production

Demonstration of a stable tokamak plasma regime with line-averaged density 20% above the Greenwald limit and energy confinement 50% better than the standard high-confinement mode, achieved through high density-gradients in the high-poloidal-beta scenario.

A high-density and high-confinement tokamak plasma regime for fusion energy - Nature

Efficient and Conservative Dynamical Low-Rank Methods for the Vlasov Equation via a Novel Macro-Micro Decomposition

The authors propose a novel macro-micro decomposition of the Vlasov equation that allows for the efficient and conservative numerical solution using dynamical low-rank (DLR) methods. The macro component is evolved using standard conservative discretizations, while the micro component is evolved using DLR approximation, resulting in a scheme that retains the computational advantages of DLR while exactly conserving charge, current, and energy.

Data-Driven Local Operator Finding for Reduced-Order Modeling of Plasma Systems

The author introduces the Phi Method as a data-driven algorithm for discovering local operators in plasma systems, aiming to create predictive reduced-order models efficiently.

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