DOE OSTI · 3375926
Entity—Hardware-agnostic Particle-in-cell Code for Plasma Astrophysics. II. General Relativistic Module
Abstract
Black hole (BH) environments often host plasmas that are fully collisionless or contain intrinsically collisionless regions, including relativistic jets and coronae, where particle energization is ubiquitous. Capturing the physics of these systems requires numerical methods capable of modeling relativistic, magnetized, collisionless plasmas in strong gravitational fields. In this work, we introduce the general relativistic module for Entity—the first open-source, coordinate-agnostic, performance-portable, particle-in-cell code. The code enables fast axisymmetric simulations of collisionless plasmas around BHs on any modern high-performance computing architecture (both GPUs and CPUs).
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Galishnikova, Alisa [Flatiron Institute, New York, NY (United States)] (ORCID:0000000263003191), Hakobyan, Hayk [Flatiron Institute, New York, NY (United States); Columbia University., New York, NY (United States); Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)] (ORCID:0000000189396862), Philippov, Alexander [University of Maryland, College Park, MD (United States)] (ORCID:0000000178010362), Crinquand, Benjamin [Université de Toulouse (France); Centre National de la Recherche Scientifique (CNRS), Toulouse (France). Institut de Recherche en Astrophysique et Planétologie (IRAP); Centre National d'Etudes Spatiales (CNES), Toulouse (France)] (ORCID:0000000232419928). 2026-06-25. Entity—Hardware-agnostic Particle-in-cell Code for Plasma Astrophysics. II. General Relativistic Module. https://doi.org/10.3847/1538-4365%2Fae6592
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