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Advances in Astrophysics
AdAp > Volume 5, Number 2, May 2020

Maxwell and Scalar Fields in Nonstandard Cosmology

Download PDF  (394 KB)PP. 43-56,  Pub. Date:March 11, 2020
DOI: 10.22606/adap.2020.52002

Author(s)
Günter Scharf
Affiliation(s)
Physics Institute, University of Zürich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
Abstract
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.
Keywords
cosmology
References
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