725 papers
Plasma physics explores the behavior of the fourth state of matter, a superheated soup of charged particles that makes up most of the visible universe. From the fusion power we hope to harness on Earth to the glowing auroras and distant stars above, this field investigates how these energetic gases interact with magnetic fields and light. It is a dynamic area where extreme conditions reveal fundamental laws of nature in ways solid matter never can.
At Gist.Science, we bridge the gap between these complex discoveries and curious minds by processing every new preprint from arXiv in this category. We transform dense, technical research into clear, plain-language explanations alongside detailed summaries, ensuring that breakthroughs in plasma dynamics and fusion energy are accessible to everyone. Below are the latest papers in plasma physics, curated and simplified for your reading.
This paper derives a relativistic resistive magnetohydrodynamics framework for a two-component ultrarelativistic plasma from the Boltzmann-Vlasov equation, revealing that electric fields can induce significant momentum anisotropy and underdamped oscillatory charge-current dynamics even in the absence of flow gradients.
This paper demonstrates that an SU(1,1) dynamical invariant ensures the conservation of intrinsic orbital angular momentum for off-axis electron vortices in axisymmetric nonuniform magnetic fields, a finding confirmed by first-principles simulations of transport through a Glaser lens.
This paper employs a covariant formalism to analyze how background gravitational fields influence light propagation in linear magnetoelectric media and magnetized plasmas, providing estimates for detecting these effects through precise refractive index measurements.
The paper introduces yancc, a fully differentiable, GPU-accelerated solver for the drift kinetic equation that achieves significant speed and memory efficiency gains over existing codes while maintaining high accuracy, thereby enabling advanced applications like gradient-based stellarator optimization and uncertainty quantification.
This paper presents a fully analytical kinetic framework describing how the combined effects of gravitational filtering, magnetic moment conservation, and stochastic heating in an expanding magnetic flux tube shape the density, temperature profiles, and velocity-space anisotropy of a collisionless, stratified solar plasma.
This paper introduces a cycle-consistent and uncertainty-aware neural surrogate that combines a conditional U-Net forward model with an optimization-based inverse method to rapidly and reliably predict 2D tokamak edge plasma states and recover control parameters, achieving millisecond-speed performance orders of magnitude faster than traditional simulations while enabling real-time control and uncertainty quantification.
This paper reports the first experimental evidence of generating directional muon beams by interacting a GeV-scale electron beam from a laser-wakefield accelerator with a lead target, demonstrating a detection confidence of 99.1% and establishing a foundation for future high-flux laser-driven muon sources.
This paper presents a computationally efficient, reduced-order non-self-consistent Monte Carlo model for planar magnetron discharges that successfully reproduces qualitative electron heating and racetrack formation trends, demonstrating that finite-magnet field representations yield more localized erosion profiles than dipole approximations while serving as a lightweight tool for analyzing magnetic field effects without the cost of full self-consistent simulations.
This study demonstrates that the magnitude of field-aligned electron temperature gradients and initial boundary temperatures regulate the durations of the two distinct stages of plasmasphere refilling, providing a mechanism to explain why some events appear single-staged in observations.
This paper introduces a power exhaust constrained separatrix operational space (PE-SepOS) framework to evaluate SPARC's integrated power exhaust solutions, revealing inherent trade-offs between high impurity radiation, plasma density, and access to the quasi-continuous exhaust regime.