Constraints on power law cosmology from cosmic chronometer, standard ruler, and standard candle data
Joseph Ryan
Abstract
In this paper I investigate how well simple power law expansion fits observational data in comparison to the standard $\Lambda$CDM model. I analyze a data set consisting of cosmic chronometer, standard ruler, and standard candle measurements, finding that the $\Lambda$CDM model provides a better fit to most combinations of these data than the power law ansatz.
Topics & Concepts
CosmologyCandleCosmic distance ladderCOSMIC cancer databaseRulerPhysicsAstronomyPower (physics)Theoretical physicsEngineeringElectrical engineeringGalaxyRedshiftQuantum mechanicsCosmology and Gravitation TheoriesGalaxies: Formation, Evolution, PhenomenaRelativity and Gravitational Theory