Effects of cosmological magnetic helicity on the CMB | Zendy

Kahniashvili T. | Zendy

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Effects of cosmological magnetic helicity on the CMB

Author(s) -

Kahniashvili T.

Publication year - 2006

Publication title -

astronomische nachrichten

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 63

eISSN - 1521-3994

pISSN - 0004-6337

DOI - 10.1002/asna.200610544

Subject(s) - physics , cosmic microwave background , helicity , astrophysics , amplitude , polarization (electrochemistry) , anisotropy , magnetic field , magnetic helicity , quantum electrodynamics , particle physics , dynamo , quantum mechanics , chemistry

I present a short review of primordial magnetic helicity effects on Cosmic Microwave Background (CMB) temperature and polarization anisotropies. These effects allow us to test for cosmological magnetic helicity; however, very accurate CMB fluctuation data are required. This scheme for magnetic helicity detection is valid only for a cosmological magnetic field with a present amplitude larger than 10 –9 –10 –10 Gauss. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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