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Magnetogenesis, spectator fields and CMB signatures
A viable class of magnetogenesis models can be constructed by coupling the kinetic term of the hypercharge to a spectator field whose dynamics does not affect the inflationary evolution. The magnetic power spectrum is explicitly related to the power spectrum of (adiabatic) curvature inhomogeneities...
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| Lenguaje: | eng |
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2007
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2007.11.091 http://cds.cern.ch/record/1070640 |