Relaxing isocurvature bounds on string axion dark matter
If inflation scale is high, light scalars acquire large quantum fluctuations during inflation. If sufficiently long-lived, they will give rise to CDM isocurvature perturbations, which are highly constrained by the Planck data. Focusing on string axions as such light scalars, we show that thermal inf...
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| Principais autores: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Elsevier
2014-10-01
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| coleção: | Physics Letters B |
| Acesso em linha: | http://www.sciencedirect.com/science/article/pii/S037026931400584X |
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