Sökning: "early universe"
Visar resultat 1 - 5 av 54 avhandlingar innehållade orden early universe.
1. Heating the early Universe
Sammanfattning : .... LÄS MER
2. Heating the Early Universe : Numerical Methods and Their Analysis
Sammanfattning : During the epoch when the first collapsed structures formed (6.... LÄS MER
3. Probing the early Universe with B-mode polarization : The Spider instrument, optical modelling and non-Gaussianity
Sammanfattning : One of the main goals of modern observational cosmology is to constrain or detect a stochastic background of primordial gravitational waves. The existence of such a background is a generic prediction of the inflationary paradigm: the leading explanation for the universe's initial perturbations. LÄS MER
4. Dust in the early universe
Sammanfattning : This Licentiate thesis treats the impact of early dust on the Cosmic Microwave Background (CMB). The dust that is studied comes from the first generation of stars, which were hot and short-lived, ending their lives as giant supernovæ. LÄS MER
5. The Frequency of Supernovae in the Early Universe
Sammanfattning : Supernovae are cosmic explosions of cataclysmic proportion that signify the death of a star. While being interesting phenomena in their own right, their brightness also make them excellent probes of the early universe. Depending on the type of the progenitor star and the origin of the explosion different subjects can be investigated. LÄS MER