Capturing many-body effects in electrical conductivity of warm dense matter

Fuente: arXiv
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Main Authors: Robinson, Brian P., Kononov, Alina, Stanek, Lucas J., Baczewski, Andrew D., Schleife, André, Hansen, Stephanie B.
Format: Preprint
Published: 2026
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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