Explores the importance of the perfect fluid in cosmology and its coupling to gravity, leading to a discussion on the Einstein universe and static gravity.
Covers the relationship between primordial curvature perturbations and inflationary magnetic fields, emphasizing observational evidence and theoretical models.
Explores the naturalness problem in UV completions of the Standard Model and proposes a mechanism related to the Higgs mass determining the universe's expansion.
Explores the discovery and implications of the Cosmological Microwave Background, including CMB fluctuations, COBE and Planck missions, and cluster detection.
