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Stochastic Cosmological Inflation

 

Marketed By :  Südwestdeutscher Verlag für Hochschulschriften   Sold By :  Kamal Books International  
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  • Product Description
 

In this thesis we apply methods from statistical physics to stochastic inflation. Those methods, the replica field theory and the Gaussian variational methods, have to our knowledge never been applied before in this context, and allow us to compute the power spectrum of a scalar test field in the most general set-up. It provides a framework to perform calculations in regions of arbitrarily large quantum fluctuations and may also serve as a starting point to address the issue of back reaction. After an introduction to cosmological inflation, cosmological perturbation theory and cosmic microwave background anisotropies, we explain the idea of stochastic inflation. This is followed by an introduction to replica field theory. Our work continues with a detailed calculation of the power spectrum of a scalar test field in a Friedmann Universe. We elaborate on the effect of quantum fluctuations on the spectrum and derive explicit expressions showing its dependence on time and other important parameters. The effect of self-interactions and possible effects on the cosmic microwave background are discussed. We conclude with a summary of our results and give an outlook.

Product Specifications
SKU :COC46188
AuthorFlorian Kühnel
LanguageEnglish
BindingPaperback
Number of Pages128
Publishing Year2012-08-27T00:00:00.000
ISBN978-3838132501
Edition1 st
Book TypePhysics
Country of ManufactureIndia
Product BrandSüdwestdeutscher Verlag für Hochschulschriften
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-06-08 00:00:00