Capturing many-body effects in electrical conductivity of warm dense matter
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866917483199332352 |
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| author | Robinson, Brian P. Kononov, Alina Stanek, Lucas J. Baczewski, Andrew D. Schleife, André Hansen, Stephanie B. |
| author_facet | Robinson, Brian P. Kononov, Alina Stanek, Lucas J. Baczewski, Andrew D. Schleife, André Hansen, Stephanie B. |
| contents | Conductivity models for warm dense matter inform simulations of planetary structure and fusion experiments. State-of-the-art conductivity calculations based on density functional theory approximate many-body physics and neglect electron-electron scattering lifetimes. We introduce a many-body framework for electrical conductivity using the GW approximation of the electronic self-energy. For beryllium, improved transition energies yield a surprisingly large reduction in low-temperature DC conductivity, while electron-electron scattering primarily reduces high-temperature DC conductivity. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_11308 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Capturing many-body effects in electrical conductivity of warm dense matter Robinson, Brian P. Kononov, Alina Stanek, Lucas J. Baczewski, Andrew D. Schleife, André Hansen, Stephanie B. Plasma Physics Materials Science Computational Physics Conductivity models for warm dense matter inform simulations of planetary structure and fusion experiments. State-of-the-art conductivity calculations based on density functional theory approximate many-body physics and neglect electron-electron scattering lifetimes. We introduce a many-body framework for electrical conductivity using the GW approximation of the electronic self-energy. For beryllium, improved transition energies yield a surprisingly large reduction in low-temperature DC conductivity, while electron-electron scattering primarily reduces high-temperature DC conductivity. |
| title | Capturing many-body effects in electrical conductivity of warm dense matter |
| topic | Plasma Physics Materials Science Computational Physics |
| url | https://arxiv.org/abs/2605.11308 |