A Survey in Inflation and Roots of Axionic Inflationary Models<br/>

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A Survey in Inflation and Roots of Axionic Inflationary Models

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 53085 (04)
University: Sharif University of Technology
Department: Physics
Advisor(s): Abolhasani, Ali Akbar
Abstract:
Inflation first introduced for solving the puzzles of the standard model of cosmology. Soon it became clear that this paradigm can provide a natural way for production of Initial conditions for the birth of large-scale structures: cosmological perturbations. But inflationary models are usually phenomenological models. They are constructed to solve the problems of the standard model of cosmology and explain the properties of cosmological fluctuations. Where do they come from? A property of a big family of inflationary models is the flatness of their potential. What would may be the cause of this flatness? . . .. In this thesis our purpose is searching about one probable field theoretic root of constructing interesting inflationary models: Axions
Keywords:
Cosmology ; Inflation ; Quantum Field Theory ; Effective Field Theory ; Instanton ; Axion ; Axion Monodromy ; Cosmology Standard Model ; Cosmological Perturbations

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