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| HAL : hal-00716142, version 1 |
| arXiv : 1102.5052 |
| Code Bibliographique ADS : 2011PThPS.190...90L |
| DOI : 10.1143/PTPS.190.90 |
| Fiche détaillée |  Récupérer au format |
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| YKIS (Yukawa International Seminar) 2010: "Cosmology -The Next Generation-", Kyoto : Japan (2010) |
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| Primordial Non-Gaussianities |
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| D. Langlois1, 2 |
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| (28/06/2010) |
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| This contribution gives an overview on primordialnon-Gaussianities from a theoretical perspective. After presenting a general formalism to describe nonlinear cosmological perturbations, several classes of models, illustrated with examples, are discussed: multi-field inflation with non-standard Lagrangians, modulaton fields, curvaton fields. In the latter case, a special emphasis is put on the isocurvature perturbations, which could leave a specific signature in non-Gaussianities. |
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| 1 : | APC - AstroParticule et Cosmologie |
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| 2 : | IAP - Institut d'Astrophysique de Paris |
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| APC - THEORIE |
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| Domaine | : | Physique/Relativité Générale et Cosmologie Quantique Physique/Physique des Hautes Energies - Théorie |
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| Lien vers le texte intégral : |
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| http://fr.arXiv.org/abs/1102.5052 |
| hal-00716142, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00716142 | |
| oai:hal.archives-ouvertes.fr:hal-00716142 | |
| Contributeur : David Langlois | |
| Soumis le : Mardi 10 Juillet 2012, 08:08:58 | |
| Dernière modification le : Mercredi 1 Août 2012, 16:17:52 | |
