627 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 establishes the local and global bifurcation of traveling periodic solutions for the one-dimensional two-species Vlasov-Poisson equation, demonstrating how dynamic ions and electrons form coherent phase-space structures and revealing a mathematical connection to the two-component Euler-Poisson system.
This paper uses particle-in-cell simulations to investigate how time-variant injection profiles influence space-charge-limited current density, suggesting that time-varying injection can further enhance electron transport during short-pulse conditions.
This paper uses a heuristic fluid model and gyrokinetic simulations to predict how the cutoff wavenumber of the short-wavelength ion-temperature-gradient (SWITG) mode scales with plasma parameters, ultimately providing scaling laws for ITG heat flux and turbulent eddy aspect ratios in a Z-pinch.
This paper presents a new experimental platform designed for the Orion laser to characterize how the whistler heat-flux instability suppresses thermal conductivity in weakly collisional, magnetized plasmas.
By integrating a custom limiter geometry into the UEDGE fluid transport code, this study demonstrates that modeling the electron density profiles of the ADITYA-U tokamak requires both a constant inward convective velocity and a perpendicular diffusion coefficient that lies between neoclassical and Bohm values.
This paper experimentally investigates how energy is partitioned during electrostatic discharge events, demonstrating that the energy transferred to a series load is largely independent of gap length and can be accurately predicted by an extended Rompe-Weizel spark resistance model.
This paper demonstrates that the transport of particles at the plasma edge is determined by the interplay of wave phase and spatial modes, where identical modes allow for phase-controlled confinement through interference, whereas mismatched modes create complex, fractal-like phase-space structures that drive transport.
This paper develops a new three-parameter family of self-similar fluid model solutions to classify the diverse dynamical regimes of heated plasma expansion into vacuum, providing scaling relations to predict density and temperature distributions in high-intensity laser-plasma interactions.
This paper presents a mesh-free, scalable Direct Simulation Monte Carlo (DSMC) method for the spatially homogeneous multispecies Landau equation that utilizes a regularized scattering kernel to efficiently handle realistic mass ratios and preserve physical invariants.
This study uses the GOTRESS transport solver to demonstrate that while turbulent energy exchange between electrons and ions can significantly enhance ion heating in specific scenarios like TEM-driven plasmas, its impact on global temperature profiles in steady-state fusion reactor scenarios (such as ITER and SPARC) is expected to be negligible.