%0 Journal Article
%T The Cosmological Constant
%A Carroll Sean M.
%J Living Reviews in Relativity
%D 2001
%I Max-Planck Institute for Gravitational Physics
%X This is a review of the physics and cosmology of the cosmological constant. Focusing on recent developments, I present 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.
%K Physical Cosmology
%U http://www.livingreviews.org/lrr-2001-1