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Emulating the interstellar medium chemistry with neural operators
Feb. 21, 2024, 5:42 a.m. | Lorenzo Branca, Andrea Pallottini
cs.LG updates on arXiv.org arxiv.org
Abstract: Galaxy formation and evolution critically depend on understanding the complex photo-chemical processes that govern the evolution and thermodynamics of the InterStellar Medium (ISM). Computationally, solving chemistry is among the most heavy tasks in cosmological and astrophysical simulations. The evolution of such non-equilibrium photo-chemical network relies on implicit, precise, computationally costly, ordinary differential equations (ODE) solvers. Here, we aim at substituting such procedural solvers with fast, pre-trained, emulators based on neural operators. We emulate a non-equilibrium …
abstract arxiv astro-ph.ga chemistry cs.lg equilibrium evolution galaxy medium network operators photo processes simulations tasks type understanding
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