Anomalous Conductivity and Anisotropic Transport of Nonrelativistic Electrons in Plasma with Magnetostatic Weibel-Generated Turbulence
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arXiv
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| Auteurs principaux: | , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866911649230749696 |
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| author | Emelyanov, Nikolay A. Garasev, Mikhail A. Kuznetsov, Aleksey A. Nechaev, Anton A. Shirokov, Evgenii A. Kocharovsky, Vladimir V. |
| author_facet | Emelyanov, Nikolay A. Garasev, Mikhail A. Kuznetsov, Aleksey A. Nechaev, Anton A. Shirokov, Evgenii A. Kocharovsky, Vladimir V. |
| contents | The anisotropic diffusion of electrons with various rigidity and the anomalous conductivity of a collisionless plasma in the presence of Weibel-generated quasi-static turbulent and uniform external magnetic fields are examined. Using an original code based on the Boris algorithm, the electron diffusion coefficients and the longitudinal, transverse, and Hall mobility factors are determined for a representative set of plasma parameters. It is shown that these values and their anisotropy depend strongly on the electron temperature, external magnetic field, average level of magnetic turbulence, and its spectrum. The physical origin and expected limits of such dependencies are indicated. Applications of the results are discussed in the case of coronal plasma, where the anomalous resistivity prevails over the collisional one and can be responsible for the redistribution of large-scale currents in magnetic loops and small-scale currents in the regions of reconnection of magnetic-field lines. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_03926 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Anomalous Conductivity and Anisotropic Transport of Nonrelativistic Electrons in Plasma with Magnetostatic Weibel-Generated Turbulence Emelyanov, Nikolay A. Garasev, Mikhail A. Kuznetsov, Aleksey A. Nechaev, Anton A. Shirokov, Evgenii A. Kocharovsky, Vladimir V. Plasma Physics The anisotropic diffusion of electrons with various rigidity and the anomalous conductivity of a collisionless plasma in the presence of Weibel-generated quasi-static turbulent and uniform external magnetic fields are examined. Using an original code based on the Boris algorithm, the electron diffusion coefficients and the longitudinal, transverse, and Hall mobility factors are determined for a representative set of plasma parameters. It is shown that these values and their anisotropy depend strongly on the electron temperature, external magnetic field, average level of magnetic turbulence, and its spectrum. The physical origin and expected limits of such dependencies are indicated. Applications of the results are discussed in the case of coronal plasma, where the anomalous resistivity prevails over the collisional one and can be responsible for the redistribution of large-scale currents in magnetic loops and small-scale currents in the regions of reconnection of magnetic-field lines. |
| title | Anomalous Conductivity and Anisotropic Transport of Nonrelativistic Electrons in Plasma with Magnetostatic Weibel-Generated Turbulence |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2605.03926 |