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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.12637 |
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| _version_ | 1866917488376152064 |
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| author | Yurovsky, Vladimir Kudryashov, Ilya |
| author_facet | Yurovsky, Vladimir Kudryashov, Ilya |
| contents | Nowadays, the calculation of the Galactic Cosmic Rays diffusion coefficient with direct microscopic numerical simulations is a widespread approach. In this work, we investigated the numerical limits for such calculations and demonstrated that modern computations are affected by the influence of numerical errors. We found that velocity errors have a greater impact on the result than spatial ones. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_12637 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | On the Numerical Stability of the Diffusion Coefficient in Microscopic Simulations Yurovsky, Vladimir Kudryashov, Ilya Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena Nowadays, the calculation of the Galactic Cosmic Rays diffusion coefficient with direct microscopic numerical simulations is a widespread approach. In this work, we investigated the numerical limits for such calculations and demonstrated that modern computations are affected by the influence of numerical errors. We found that velocity errors have a greater impact on the result than spatial ones. |
| title | On the Numerical Stability of the Diffusion Coefficient in Microscopic Simulations |
| topic | Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2605.12637 |