Téléchargez le livre : Non-linear Data Analysis on the Sphere

Non-linear Data Analysis on the Sphere

The Quest for Anomalies in the Cosmic Microwave Background

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Éditeur :

Springer


Collection :

Springer Theses

Paru le : 2013-04-23



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Description
This work deals with the search for signatures of non-Gaussianities in the cosmic microwave background (CMB). Probing Gaussianity in the CMB addresses one of the key questions in modern cosmology because it allows us to discriminate between different models of inflation, and thus concerns a fundamental part of the standard cosmological model.
    The basic goal here is to adapt complementary methods stemming from the field of complexity science to CMB data analysis. Two key concepts, namely the method of surrogates and estimators for local scaling properties, are applied to CMB data analysis.
    All results show strong non-Gaussianities and pronounced asymmetries. The consistency of the full sky and cut sky results shows convincingly for the first time that the influence of the Galactic plane is not responsible for these deviations from Gaussianity and isotropy. The findings seriously call into question predictions of isotropic cosmologies based on the widely accepted single field slow roll inflation model.
Pages
126 pages
Collection
Springer Theses
Parution
2013-04-23
Marque
Springer
EAN papier
9783319003085
EAN EPUB
9783319003092
Informations sur l'ebook
Nombre pages copiables
1
Nombre pages imprimables
12
Taille du fichier
3994 Ko
Ce livre est accessible aux handicaps Voir les informations sur l'accessibilité
Prix
94,94 €

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