Magnetic field contribution to the last electron–photon scattering
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Publication:3065953
DOI10.1088/0264-9381/27/22/225016zbMATH Open1206.85028arXiv1007.0955OpenAlexW3098471081MaRDI QIDQ3065953
Publication date: 7 January 2011
Published in: Classical and Quantum Gravity (Search for Journal in Brave)
Abstract: When the cosmic microwave photons scatter electrons just prior to the decoupling of matter and radiation, magnetic fields do contribute to the Stokes matrix as well as to the scalar, vector and tensor components of the transport equations for the brightness perturbations. The magnetized electron-photon scattering is hereby discussed in general terms by including, for the first time, the contribution of magnetic fields with arbitrary direction and in the presence of the scalar, vector and tensor modes of the geometry. The propagation of relic vectors and relic gravitons is discussed for a varying magnetic field orientation and for different photon directions. The source terms of the transport equations in the presence of the relativistic fluctuations of the geometry are also explicitly averaged over the magnetic field orientations and the problem of a consistent account of the small-scale and large-scale magnetic field is briefly outlined.
Full work available at URL: https://arxiv.org/abs/1007.0955
Relativistic cosmology (83F05) Electromagnetic fields in general relativity and gravitational theory (83C50) Electromagnetic theory (general) (78A25) Radiative transfer in astronomy and astrophysics (85A25) Astrophysical cosmology (85A40)
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