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 proposes that axion-like particles (ALPs) induce a distinctive asymmetric Fano-type resonance in linear Breit-Wheeler pair production through interference with standard QED amplitudes, offering a novel experimental probe for MeV-scale ALPs in a kinematic region inaccessible to other search methods.
This paper presents high-resolution, time-resolved X-ray spectroscopy measurements at the National Ignition Facility that utilize Kr-doped DD capsules to infer evolving hot spot electron density, temperature, size, and areal density, thereby quantifying the performance-enhancing effects of tungsten dopants in the ablator.
Using 20 OMEGA laser beams arranged in a hollow ring to irradiate a plastic target, researchers successfully generated stable, supersonic, megagauss-magnetized plasma jets that replicate the physical conditions of young stellar object jets, offering a new platform for studying astrophysical plasma dynamics under controlled laboratory settings.
This paper introduces coil-fem, an open-source tool that integrates differentiable finite element analysis into stellarator coil optimization to simultaneously minimize magnetic field errors and mechanical stresses by jointly optimizing coil geometry and support structure placement.
This paper describes the absolute calibration of a high-resolution, time-resolved X-ray Bragg crystal spectrometer at the National Ignition Facility using a microfocus source and various detectors at PPPL, enabling precise measurements of plasma electron density and temperature through Stark broadening and dielectronic satellite analysis.
This paper reviews the current understanding of magnetic switchbacks' evolution as they propagate away from the Sun, their impacts on solar wind physics such as turbulence and particle acceleration, and outlines future research directions to further elucidate their role in the heliosphere.
This paper demonstrates that the EDQNM closure model, which is analytically equivalent to kinematic dynamo theories, enables the exploration of small-scale dynamo saturation across a wide range of magnetic Prandtl numbers, revealing that in highly turbulent regimes the system converges to a -independent kinematic growth rate, a saturated magnetic-to-kinetic energy ratio of approximately 0.55, and a universal spectral slope driven by Alfvénisation.
This paper presents a real-time control scheme for the Aditya-U tokamak that utilizes neutral gas injection, regulated by a digital signal processor based on plasma current rise rate measurements, to ensure robust and stable plasma current ramp-up despite variable vessel conditions.
This paper investigates the moving multi-mirror (MMM) concept for mitigating axial losses in magnetic mirrors through single-particle simulations and a modified rate-equation model, revealing that while the approach can suppress outgoing flux by several orders of magnitude, achieving the desired confinement ultimately requires additional scattering processes in both the central cell and the MMM sections.
This paper demonstrates that charged particles in ultra-intense electromagnetic X-modes within strongly magnetized plasmas undergo a transition to chaotic motion and diffusive heating at wave intensities as low as via resonance overlap, leading to a dual population of stochastically diffusing particles and a fraction that phase-locks to the wave for macroscopic surfing, a behavior confirmed by Particle-In-Cell simulations.