Plasma GraphRAG: Physics-Grounded Parameter Selection for Gyrokinetic Simulations
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866917389143113728 |
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| author | Zhang, Ruichen AlMuhisen, Feda Wan, Chenguang Qu, Zhisong Li, Kunpeng Cho, Youngwoo Lim, Kyungtak Grandgirard, Virginie Garbet, Xavier |
| author_facet | Zhang, Ruichen AlMuhisen, Feda Wan, Chenguang Qu, Zhisong Li, Kunpeng Cho, Youngwoo Lim, Kyungtak Grandgirard, Virginie Garbet, Xavier |
| contents | Accurate parameter selection is fundamental to gyrokinetic plasma simulations, yet current practices rely heavily on manual literature reviews, leading to inefficiencies and inconsistencies. We introduce Plasma GraphRAG, a novel framework that integrates Graph Retrieval-Augmented Generation (GraphRAG) with large language models (LLMs) for automated, physics-grounded parameter range identification. By constructing a domain-specific knowledge graph from curated plasma literature and enabling structured retrieval over graph-anchored entities and relations, Plasma GraphRAG enables LLMs to generate accurate, context-aware recommendations. Extensive evaluations across five metrics, comprehensiveness, diversity, grounding, hallucination, and empowerment, demonstrate that Plasma GraphRAG outperforms vanilla RAG by over $10\%$ in overall quality and reduces hallucination rates by up to $25\%$. {Beyond enhancing simulation reliability, Plasma GraphRAG offers a methodology for accelerating scientific discovery across complex, data-rich domains. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_06279 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Plasma GraphRAG: Physics-Grounded Parameter Selection for Gyrokinetic Simulations Zhang, Ruichen AlMuhisen, Feda Wan, Chenguang Qu, Zhisong Li, Kunpeng Cho, Youngwoo Lim, Kyungtak Grandgirard, Virginie Garbet, Xavier Plasma Physics Artificial Intelligence Accurate parameter selection is fundamental to gyrokinetic plasma simulations, yet current practices rely heavily on manual literature reviews, leading to inefficiencies and inconsistencies. We introduce Plasma GraphRAG, a novel framework that integrates Graph Retrieval-Augmented Generation (GraphRAG) with large language models (LLMs) for automated, physics-grounded parameter range identification. By constructing a domain-specific knowledge graph from curated plasma literature and enabling structured retrieval over graph-anchored entities and relations, Plasma GraphRAG enables LLMs to generate accurate, context-aware recommendations. Extensive evaluations across five metrics, comprehensiveness, diversity, grounding, hallucination, and empowerment, demonstrate that Plasma GraphRAG outperforms vanilla RAG by over $10\%$ in overall quality and reduces hallucination rates by up to $25\%$. {Beyond enhancing simulation reliability, Plasma GraphRAG offers a methodology for accelerating scientific discovery across complex, data-rich domains. |
| title | Plasma GraphRAG: Physics-Grounded Parameter Selection for Gyrokinetic Simulations |
| topic | Plasma Physics Artificial Intelligence |
| url | https://arxiv.org/abs/2604.06279 |