Cosmological perturbations

• Κύριος συγγραφέας: Αρμάος, Βασίλειος
• Άλλοι συγγραφείς: Αναστόπουλος, Χάρης
• Μορφή: Thesis
• Γλώσσα: English
• Έκδοση: 2017
• Θέματα: Cosmology; Perturbations; Inflation; Big bang; Early universe; Fluctuations; Inflaton; Κοσμολογία; Διαταραχές; Πληθωρισμός; Μεγάλη έκρηξη; Πρώιμο σύμπαν; 521.4

This thesis is dedicated to the study of the cosmological perturbations in the inflationary universe. With the homogenous Robertson-Walker metric as our starting point, we introduce the primordial metric fluctuations which are classified as scalar, vector or tensor. Then, we introduce the gauge i...