by Abraham Loeb
Publisher: arXiv 2006
Number of pages: 157
The first dwarf galaxies, which constitute the building blocks of the collapsed objects we find today in the Universe, had formed hundreds of millions of years after the big bang. This pedagogical review describes the early growth of their small-amplitude seed fluctuations from the epoch of inflation through dark matter decoupling and matter-radiation equality, to the final collapse and fragmentation of the dark matter.
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by Christian Knobel - arXiv
This text aims to give a pedagogical introduction into the main concepts of the theory of structure formation in the universe. The text is suited for graduate students of astronomy with a moderate background in general relativity.
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The authors review the current standard model for the evolution of the Universe from an early inflationary epoch to the complex hierarchy of structure seen today. The text concludes with discussion of some open questions in cosmology.
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Contents: Big Bang Cosmology; Inflation; Cosmological perturbations; CMB data; Particle physics models of inflation; Brane inflation; Literature; Curvature perturbation constant on superhorizon scales; Moduli are massless modes in the 4D EFT.
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