Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2008/10/019
Keywords
dark energy theory; magnetic fields; physics of the early universe
Funding
- Consolider-Ingenio 2010 Program CPAN [CSD2007-00042]
- RNP [2.1.1.1112]
- [RFBR 08-02-00923]
- [LSS-4899.2008.2]
- [FPA2007-66665]
- [2005SGR00564]
- [2007PIV10046]
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We consider two different toy cosmological models based on two fields (one normal scalar and one phantom) realizing the same evolution of the bang-to-rip type. One of the fields (pseudoscalar) interacts with the magnetic field, breaking the conformal invariance of the latter. The effects of the amplification of cosmic magnetic fields are studied and it is shown that the presence of such effects can be used to discriminate between different cosmological models realizing the same global evolution of the universe.
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