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Electric-magnetic duality and the conditions of inflationary magnetogenesis
The magnetogenesis scenarios triggered by the early variation of the gauge coupling are critically analyzed. In the absence of sources, it is shown that the electric and magnetic power spectra can be explicitly computed by means of electric-magnetic duality transformations. The remnants of a pre-inf...
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| Lenguaje: | eng |
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2009
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| Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2010/04/003 http://cds.cern.ch/record/1217354 |