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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/3027 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/3027 http://eprints.org/relation/ismediumThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/3027 3039 2 8593 document 3039 small.jpg image/png 8a2eb8729a5554c1a4cc595f7d32ec4d MD5 1876 2014-01-28 17:21:22 http://eprints.iliauni.edu.ge/770/6/small.jpg 770 6 6 image/png other Thumbnails conversion from text to thumbnail_small ge public

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/3027 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/3027 http://eprints.org/relation/issmallThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/3027 archive 131 disk0/00/00/07/70 2014-01-29 20:29:59 2015-03-27 07:09:37 2014-01-29 20:29:59 article show Kahniashvili Tina tinatin@iliauni.edu.ge Maravin Yurii Natarajan Aravind Battaglia Nick Tevzadze Alexander pub QB QC public We study primordial magnetic field effects on the matter perturbations in the universe. We assume magnetic field generation prior to the big bang nucleosynthesis (BBN), i.e., during the radiation-dominated epoch of the universe expansion, but do not limit analysis by considering a particular magnetogenesis scenario. Contrary to previous studies, we limit the total magnetic field energy density and not the smoothed amplitude of the magnetic field at large (of the order of 1 Mpc) scales. We review several cosmological signatures, such as halo abundance, thermal Sunyaev-Zel'dovich effect, and Lyα data. For a cross-check, we compare our limits with that obtained through the cosmic microwave background faraday rotation effect and BBN. The limits range between 1.5 nG and 4.5 nG for nB in (- 3; -1.5). 2013 published Astrophysical Journal 770 47-54 TRUE