612 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 reviews numerical methods implemented in the open-source toolkit Axiprop for modeling ultrashort, intense laser pulse propagation in plasmas, demonstrating their application in designing optical plasma waveguides and phase-locked flying-focus schemes for laser plasma electron acceleration.
Using the global gyrokinetic code ORB5, this study systematically investigates energetic-particle-driven geodesic acoustic modes in tokamaks, revealing that their nonlinear saturation scales quadratically with the linear growth rate while their frequency chirping rate scales linearly with the growth rate, consistent with Chen-Zonca theoretical predictions.
This paper establishes predictive scaling laws for laser-matched plasma channels formed via above-threshold ionization heating, revealing that hydrodynamic expansion governs their evolution and demonstrating that on-axis density scales linearly while matching radius depends exponentially on initial gas density and laser radius to enable optimized multi-GeV electron acceleration.
This paper demonstrates the successful operation and characterization of a dual-frequency Paul trap capable of storing both electrons and calcium ions, providing critical insights into its performance dynamics and potential for future antihydrogen synthesis.
This paper presents a comprehensive set of numerical procedures and algorithms for generating various non-Maxwellian velocity distributions, including , kappa, ring, shell, super-Gaussian, and filled-shell distributions, to be used in particle simulations.
This paper proposes an efficient rejection-sampling procedure for generating Kappa distributions in particle-in-cell (PIC) simulations of space plasmas by employing a Pareto distribution as an envelope, which requires only uniform variates and achieves an acceptance efficiency of approximately 0.73 to 0.8.
This paper proposes that fusion systems can achieve economic viability well before reaching energy breakeven by co-producing high-value isotopes through neutron-driven transmutation, thereby creating a revenue-positive pathway that scales from small-scale medical radioisotope production to large-scale electricity and gold generation.
This paper proposes a fast and practically accurate random number generator for the Kappa velocity distribution in particle simulations, which utilizes a q-exponential approximation of the cumulative distribution function to enable efficient inverse transform sampling on GPUs.
Using high-resolution GRMHD simulations, this study demonstrates that density and magnetic field inhomogeneities in accretion flows around Kerr black holes generate steeper power spectra, longer correlation times, and larger coherent structures compared to unperturbed cases, offering new insights into interpreting Event Horizon Telescope observations of supermassive black holes.
This paper presents global relativistic magnetohydrodynamic simulations demonstrating that small perturbations in neutron star magnetospheres can steepen into ultra-relativistic "monster shocks," with findings confirming analytical predictions for equatorial shocks and revealing how oblique shocks and competing wave modes can fragment shock fronts, reduce magnetization, and intermittently generate high-energy emission.