Cosmic microwave background polarization, Faraday rotation and stochastic gravity-waves backgrounds

Details Cosmic microwave background polarization, Faraday rotation and stochastic gravity-waves backgrounds Cosmic microwave background polarization, Faraday rotation and stochastic gravity-waves backgrounds

1997-06-27

arxiv.org/abs/hep-th/9706201v1

Phys.Rev.D56:3198-3206,1997

Physics

High Energy Physics

High Energy Physics - Theory

24 A4 pages in Latex style plus two figures combined into an eps file, accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.56.3198

A magnetic field, coherent over the horizon size at the decoupling and strong enough to rotate the polarization plane of the CMBR, can be generated from the electromagnetic vacuum fluctuations amplified by the space-time evolution of the dilaton coupling. The possible relevance of this result for superstring inspired cosmological models is discussed. Particular attention will be paid to the connection between Faraday rotation signals and stochastic gravity-wave backgrounds.

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