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Electromagnetic interaction of a magnetized rotating star with a conducting disk

2012/11/27 by Ya. N. Istomin, Ya. N Istomin, Istomin, Ya. N
Earth and Planetary Sciences · Physics and Astronomy · #FOS: Physical sciences #Geophysics and Gravity Measurements #Scientific Research and Discoveries #Solar and Space Plasma Dynamics #Solar and Stellar Astrophysics (astro-ph.SR) #Stellar, planetary, and galactic studies #astro-ph.SR

paper · pdf · doi:10.48550/arxiv.1211.6237

7 pages, 4 figures

arxiv created 2012/11/27 · openalex publication_date 2012/11/27 · arxiv updated 2012/11/28 · openalex created_date 2022/09/03 · openalex updated_date 2026/07/28

Abstract

A conducting disk significantly changes the generation of the electromagnetic radiation excited by the rotation of the magnetic field frozen to a star. Due to the reflection of waves from a disk there appear waves propagating toward a star, not only outward a star as it takes place for the magneto-dipole radiation. Because that the angular momentum can be transformed from a disk to a star when the inner edge of a disk approaches the light surface of a rotating star. This is purely electromagnetic effect. At some distance of a disk from a star, rd=r^*≃ c/ωs, the stellar angular momentum losses due to the electromagnetic radiation become zero. It results the stable stellar rotation.

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