等离子体物理：2025–2026 年度综述

An annual survey of the physics.plasm-ph arXiv category, covering research published from September 2025 – August 2026. Built on a close-reading set of 108 papers and organised into 40 chapters, it maps the year by the field's research sub-directions.

Book framework (share of the year's output):

• Experimental Diagnostics and Kinetic Modeling (56.9%) — Focuses on developing advanced experimental diagnostics, data-driven models, and hybrid simulations to characterize plasma equilibrium, discharge mechanisms, and local extraction of physical quantities.
• Magnetohydrodynamic Turbulence and Instabilities (27.3%) — Investigates nonlinear dynamics, magnetic reconnection, and turbulence in magnetized plasmas, including stellarator stability and solar dynamo regimes.
• Laser-Driven Acceleration and Wakefield Dynamics (6.0%) — Explores numerical modeling and optimization of laser-plasma interactions for compact particle acceleration, wakefield generation, and proton beam generation.
• Computational MHD and Stellarator Equilibria (4.0%) — Develops numerical codes and finite-element methods for solving magnetohydrodynamic equations, focusing on stellarator equilibrium design and magnetic reconnection in current sheets.
• Solar Wind and Coronal Plasma Observations (3.6%) — Analyzes observational data from solar missions to understand turbulence, magnetic reconnection, and energetic particle fluxes in the solar wind and corona.
• Tokamak Confinement and Fusion Performance (1.0%) — Examines magnetic confinement regimes, stability limits, and operational parameters in tokamak and spherical tokamak devices for fusion energy applications.
• Space Plasma Phase Space Dynamics (0.7%) — Studies wave-particle interactions, phase space vortices, and collisionless transport phenomena in weakly collisional space and astrophysical plasma environments.
• Collisionless Shock Physics and Theory (0.3%) — Develops theoretical frameworks and PIC simulations to understand the structure, reformation, and dissipation mechanisms in collisionless plasma shocks.
• Energetic Particle Motion and Interactions (0.2%) — Analyzes the motion and interaction of energetic particles with Alfvén waves and magnetic fields in radiation belts and space plasma structures.

Each sub-direction is covered across three chapters — how it framed its questions, the strength of its key findings, and its open debates and frontiers — so the reader gets a traceable picture of what this part of the field actually produced over the year.