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An analytical model for the Maxwell radiation field in an axially symmetric galaxy

Abstract : An analytical model is built for the Maxwell field in an axisymmetric galaxy, especially that field which results from stellar radiation. This model is based on an explicit representation for axisymmetric free Maxwell fields. In a previous work, the general applicability of this representation has been proved. The model is adjusted by fitting to it the sum of spherical radiations emitted by the composing "stars". The huge ratio distance/wavelength needs to implement a numerical precision better than the quadruple precision. The model passes a validation test based on a spherically symmetric solution. The results for a set of "stars" representative of a disk galaxy indicate that the field is highest near to the disk axis, and there the axial component of E dominates over the radial one.
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https://hal.archives-ouvertes.fr/hal-02887969
Contributeur : Mayeul Arminjon <>
Soumis le : jeudi 2 juillet 2020 - 16:02:52
Dernière modification le : mardi 23 février 2021 - 03:26:00
Archivage à long terme le : : jeudi 24 septembre 2020 - 05:21:31

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  • HAL Id : hal-02887969, version 1

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Mayeul Arminjon. An analytical model for the Maxwell radiation field in an axially symmetric galaxy. 2020. ⟨hal-02887969v1⟩

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