Work

Two-field cosmological models and large-scale cosmic magnetic fields

Year: 2008

Type: article

Abstract: 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.

Source: Journal of Cosmology and Astroparticle Physics

DOI: 10.1088/1475-7516/2008/10/019

Authors: Alexander A Andrianov, Francesco Cannata, Alexander Y Kamenshchik, Daniele Regoli

Institutions: St Petersburg University, Institut de Ciències del Cosmos, Universitat de Barcelona, Istituto Nazionale di Fisica Nucleare, Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Russian Academy of Sciences, Landau Institute for Theoretical Physics

Language: English

Topic: Cosmology and Gravitation Theories

Subfield: Astronomy and Astrophysics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: bronze

Funder: Russian Foundation for Basic Research

OpenAlex ID: W2001450186

FWCI: 0.584

Cites: 97

Cited by: 7

Related to: 10