599 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 study demonstrates that finite ion temperature significantly alters the dynamics of edge-localized-mode (ELM) filaments in tokamaks by generating asymmetric potential structures and rotational flows that channel kinetic energy away from radial propagation, thereby delaying filament merging and reducing cross-field transport.
This paper presents a new, robust spark creation approach for ignition systems that utilizes high-power, long-duration plasma to achieve significantly higher energy efficiency than traditional high-voltage spark methods, despite the underlying physical mechanism remaining unexplained.
This paper introduces novel path-space probabilistic representations for free-space Poisson-Vlasov and Poisson-Boltzmann systems using continuous branching stochastic processes, which enable efficient backward Monte Carlo algorithms benchmarked on gravitational clusters and plasma dynamics.
This paper presents the IAEA's Fusion Data Lake project, a five-year initiative under the AI for Fusion Coordinated Research Project that aims to accelerate AI and big data applications in fusion energy by developing a FAIR-compliant data infrastructure featuring an international catalogue, centralized storage, and global data federation to enhance the accessibility and visibility of experimental datasets.
This study demonstrates that physical plasmoids can be reliably triggered in well-resolved spectral simulations of dynamically forming current sheets when a perturbation with sufficient amplitude and appropriate spectral content is applied near the time of maximum current density, thereby resolving previous paradoxes regarding plasmoid identification and clarifying the role of numerical noise.
This paper presents a validated OpenEdge model for simulating lithium droplet transport and evaporation in tokamak edge plasmas, revealing that droplet fate depends on size and launch location while enabling self-consistent evaluation of their impact on edge-plasma performance through one-way and two-way coupling with SOLPS-ITER.
Using the high-fidelity M3D-C1 code, this study investigates low-n MHD instabilities in SPARC baseline scenarios, revealing that internal kink modes drive sawtooth crashes through magnetic reconnection and pressure mixing, with crash timing highly sensitive to the on-axis safety factor and temperature profiles.
This paper presents an overview of the G1-G2 scheme, a time-local reformulation of the Kadanoff-Baym ansatz that reduces the computational scaling of Nonequilibrium Green functions simulations from cubic to linear, enabling high-level many-body calculations for diverse systems such as Hubbard clusters, graphene, and ion-matter interactions while discussing current limitations and future directions.
This paper provides a detailed analysis of a two-time quantum fluctuations approach, demonstrating its equivalence to the Bethe-Salpeter equation for two-time exchange-correlation functions when the generalized Kadanoff-Baym ansatz with Hartree-Fock propagators is applied.
This paper commemorates the centennial of Yuri Lvovich Klimontovich's birth by reviewing his significant contributions to kinetic theory, with a specific focus on his theory of fluctuations.