Advances in Astrophysics

Download PDF (394 KB) PP. 43 - 56 Pub. Date: May 2, 2020

DOI: 10.22606/adap.2020.52002

• Günter Scharf^*
  Physics Institute, University of Zürich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland

We study the scalar field equation and Maxwell equations in the nonstandard background previously investigated. We separate the angular dependence by expanding in spherical harmonics and solve the radial wave equations exactly by separating the variables t and r. We obtain electric and magnetic multipole radiation as in vacuum without gravitation, but the frequencies get redshifted. The exact results are essential for understanding the Planckian character of CMB properly.

cosmology

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