Cielo, Mattia (2025) A Quantum Window on the Very Early Universe. [Tesi di dottorato]
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| Tipologia del documento: | Tesi di dottorato |
|---|---|
| Lingua: | English |
| Titolo: | A Quantum Window on the Very Early Universe |
| Autori: | Autore Email Cielo, Mattia mattia.ciel@gmail.com |
| Data: | Gennaio 2025 |
| Numero di pagine: | 148 |
| Istituzione: | Università degli Studi di Napoli Federico II |
| Dipartimento: | Fisica |
| Dottorato: | Fisica |
| Ciclo di dottorato: | 37 |
| Coordinatore del Corso di dottorato: | nome email Canale, Vincenzo vincenzo.canale@na.infn.it |
| Tutor: | nome email Mangano, Gianpiero [non definito] |
| Data: | Gennaio 2025 |
| Numero di pagine: | 148 |
| Parole chiave: | Inflation, Primordial Cosmology, Quantum Perturbations |
| Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici |
| Depositato il: | 18 Ott 2025 15:32 |
| Ultima modifica: | 12 Ago 2026 05:38 |
| URI: | https://www.fedoa.unina.it/id/eprint/16546 |
Abstract
The thesis explores fundamental questions about the physics of the early Universe, focusing on the study of primordial quantum perturbations during the inflationary epoch. These perturbations, analyzed through the Cosmic Microwave Background Radiation (CMBR), offer insights into the initial conditions of the Universe and address the Horizon Problem through a quasi-de Sitter expansion. A key aspect is understanding how high-energy environments near the Planck scale influence these perturbations, emphasizing the role of initial quantum states. The research examines tensor and scalar sectors, highlighting deviations from standard results and implications for distinctive signatures in the primordial gravitational wave spectrum. Additionally, it investigates the potential impact of extra fields, such as gauge fields. The findings aim to contribute to future observational efforts and expand our understanding of the Universe’s earliest moments.
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