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Primordial Spectrum of Gauge Fields from Inflation
We show that conformal invariance of gauge fields is naturally broken in inflation, having as a consequence amplification of gauge fields. The resulting spectrum of the field strength is approximately B_L ~ L^(-1), where L is the relevant coherence scale. One realisation of our scenario is scalar el...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2000
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(01)00138-1 http://cds.cern.ch/record/447218 |