physics.plasm-ph 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.

🔬 physics

Quantifying resonant drive in resistive perturbed tokamak equilibria

This study utilizes asymptotically matched solutions within a resistive MHD framework to characterize the relationship between the shielding current ( $\Delta_{mn}$ ) and penetrated field ( $b_{pen}$ ) metrics in tokamaks, revealing that while both identify similar dominant coupling modes, resistive physics shifts the spectrum to lower poloidal mode numbers in low-rotation ITER equilibria, a phenomenon predicted to be observable through optimal resonant magnetic perturbation coil phasing.

Matthew Pharr, Nikolas Logan, Carlos Paz-Soldan, Jong-Kyu Park2026-03-20

🔬 physics

Generation of Whistler Waves by Reflected Electrons and Their Self-Confinement at Quasi-Perpendicular Shocks

This paper demonstrates that shock-reflected electrons at quasi-perpendicular shocks can generate whistler waves that, through a sequence of instabilities, self-confine the electrons within the shock transition layer, thereby facilitating stochastic shock drift acceleration and enabling electron injection into diffusive shock acceleration.

Ruolin Wang, Takanobu Amano2026-03-20

🔭 astrophysics

Multi-Mission Observations of Relativistic Electrons and High-Speed Jets Linked to Shock Generated Transients

By integrating multi-mission data from NASA's MMS and ESA's Cluster missions, this study demonstrates how shock-generated hot flow anomalies transmit through Earth's quasi-parallel bow shock to confine and further accelerate electrons to relativistic energies via betatron mechanisms, while simultaneously driving high-speed jets that expand the spatial domain of particle acceleration.

Savvas Raptis, Martin Lindberg, Terry Z. Liu, Drew L. Turner, Ahmad Lalti, Yufei Zhou, Primož Kajdič, Athanasios Kouloum (…)2026-03-19

🔬 physics

Global Non-Axisymmetric Hall Instabilities in a Rotating Plasma

This paper demonstrates that in differentially rotating cylindrical plasmas, the Hall effect enables non-axisymmetric whistler and ion-cyclotron modes to extract energy from flow shear and grow significantly faster than ideal MHD modes by decoupling ion motion from magnetic field lines, potentially playing a crucial role in weakly ionized accretion disks.

Alexandre Sainterme, Fatima Ebrahimi2026-03-19

🔬 physics

Low-dimensional geometry learning for turbulence prediction in optimized stellarators

This paper demonstrates that quasi-helically symmetric stellarator designs occupy a low-dimensional latent space identifiable via deep learning, enabling the efficient generation of global gyrokinetic data to train surrogate models for optimizing stellarator geometry against turbulent transport and other instabilities.

Xishuo Wei, Handi Huang, Haotian Chen, Hongxuan Zhu, Zhe Bai, Samuel Williams, Zhihong Lin2026-03-19

🔬 physics

Compressive Structures in the Foreshock of Collisionless Shocks

This study compares high-Mach-number interplanetary and terrestrial quasi-parallel shocks to reveal that while Foreshock Compressive Structures initiate under similar upstream conditions, the interplanetary shock fails to develop fully evolved nonlinear structures due to a spatially limited growth zone and a lack of global curvature that inhibits the lateral supply of energetic ions.

Savvas Raptis, Domenico Trotta, Drew L. Turner, Xóchitl Blanco-Cano, Heli Hietala, Tomas Karlsson, Immanuel Christopher (…)2026-03-19

🔬 physics

A Deterministic Ionization Algorithm for the OSIRIS Particle-in-Cell Framework

This paper presents the development, validation, and verification of a deterministic collisional ionization algorithm for the OSIRIS particle-in-cell framework that significantly improves ionization rate accuracy by up to two orders of magnitude while maintaining linear computational scaling.

Stephen DiIorio, Ricardo Fonseca, Frank Tsung, Benjamin J. Winjum, Alec G. R. Thomas2026-03-19

🔭 astrophysics

Quantifying the Effects of Parameters in Widespread SEP Events with EPREM

This study utilizes the uncoupled Energetic Particle Radiation Environment Model (EPREM) to systematically analyze how variations in physical parameters, such as diffusion and shock profile, influence the morphology and longitudinal spread of simulated widespread solar energetic particle events, revealing conditions under which flux may diminish at large longitudinal distances from the shock origin.

Matthew A. Young, Bala Poduval2026-03-18

🔭 astrophysics

Characterising injection signatures in Jupiter's ultraviolet aurora using Juno observations

Using automatic detection of discrete features alongside Juno-UVS and in-situ data, this study demonstrates that magnetodisc scattering primarily drives electron precipitation in Jupiter's ultraviolet aurora and classifies injection signatures into dawn-storm and non-dawn-storm types, while suggesting that outer emission arcs are broadened sequences of these signatures.

Linus Head, Denis Grodent, Bertrand Bonfond, Alessandro Moirano, Guillaume Sicorello, Julie Vinesse, Alyssa Mouton, Maït (…)2026-03-18

🔭 astrophysics

Magnetic plasmoid explosions in the context of magnetar giant flares and fast radio bursts

This paper presents a relativistic magnetohydrodynamic model of spherical magnetic plasmoid explosions that yields two distinct solution classes—high-density/high-pressure configurations associated with magnetar giant flares and low-density/magnetically dominated configurations linked to fast radio bursts.

Konstantinos N. Gourgouliatos2026-03-18

← Previous Next →