The Cosmological Constant by Sean M. Carroll
Publisher: arXiv 2000
Number of pages: 50
This is a review of the physics and cosmology of the cosmological constant. Focusing on recent developments, the author presents a pedagogical overview of cosmology in the presence of a cosmological constant, observational constraints on its magnitude, and the physics of a small (and potentially nonzero) vacuum energy.
Science Astronomy Cosmology