Non-gaussianity from the second-order cosmological perturbation
Cosmological scales leave the horizon during in?ation and reenter it after big bang nucleosynthesis. Throughout the superhorizon era it is very useful to de?ne a primordial cosmological curvature perturbation, which is conserved if and only if pressure throughout the Universe is a unique function of...
Autor Principal: | Lyth, David H.; Rodríguez García, Yeinzon |
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Formato: | Artículo (Article) |
Lenguaje: | Desconocido (Unknown) |
Publicado: |
Physical Review D; Vol. 71, No. 12
2005
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Materias: | |
Acceso en línea: | http://babel.banrepcultural.org/cdm/ref/collection/p17054coll23/id/454 |
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