608 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 proposes a novel laser-driven nonlinear-linear QED cascade method that enables the generation of a dense, highly polarized pair-photon fireball at currently accessible 10-petawatt laser intensities, offering a breakthrough for laboratory astrophysics and multi-process QED studies.
This paper presents a formalism and computational techniques for calculating tree-level QED scattering cross sections in strong magnetic fields exceeding the Schwinger limit, implementing the results in an open-source Python package to support future studies of magnetar magnetospheric dynamics.
This paper proposes a theoretical model using radially-dependent spectral chirp to compensate for inherent pulse elongation in achromatic flying-focus systems, thereby enabling the preservation of ultrashort pulse durations while maintaining programmable intensity peak velocities for applications in high-field nonlinear optics and laser-plasma interactions.
Using Parker Solar Probe measurements from 10 to 30 solar radii, this study demonstrates that parallel plasma beta () is the primary driver determining whether proton temperature anisotropy is limited by firehose or mirror/oblique firehose instabilities, while also confirming a radial evolution of anisotropy consistent with the semi-empirical relation .
This paper presents a novel formalism that resums magnetic field interactions and incorporates finite decay widths of Landau levels to systematically calculate tree-level QED scattering cross sections relevant to magnetar plasma dynamics, with results made available in an open-source Python package.
This paper argues that current radiation safety legislation, which mandates strict controls for all ultrafast lasers based on irradiance thresholds derived from material processing, is overly broad because experimental evidence shows that significant X-ray generation is a processing-specific hazard that does not occur under typical non-processing laboratory conditions.
This paper extends the double-adiabatic equations to relativistic and ultrarelativistic regimes by analytically solving the drift kinetic equation and validating the resulting pressure evolution expressions through numerical simulations and particle-in-cell models, providing a framework applicable to various astrophysical plasmas.
This paper presents a general first-principle formalism based on system symmetries to derive adiabatic equations of state for both isotropic and anisotropic plasmas, specifically extending the double-adiabatic closure for collisionless, magnetised plasmas to the relativistic regime where the exact functional form depends on pressure anisotropy rather than following a simple power law.
This paper develops and validates geometric particle-in-cell methods that preserve the Hamiltonian structure and energy for hybrid plasma models featuring kinetic ions, Boltzmann electrons, and space-charge effects, demonstrating their effectiveness through numerical experiments on instabilities and wave phenomena.
This paper proposes and analyzes a flat-bottomed hollow-beam optical ponderomotive trap driven by a high-power CO laser, which effectively confines ultracold neutral plasmas and Rydberg atoms within a uniform dark region while minimizing collisional absorption to enhance antimatter production and storage.