Dynamical dark energy can explain the anomalous matter density fluctuation at $z\sim4$

Recently, under the standard cosmological model, a new growth tension between the Planck-2018 observation and the combined observation of cosmic microwave background lensing and galaxy clustering at $z\sim4$ emerges over the $1\,σ$ confidence level. We demonstrate that dynamical dark energy can well solve this tension within the $1\,σ$ confidence level. This implies that the new measurement of large scale structure at high redshift may give the evidence of evolution of dark energy over time.

No reviews yet.

No comments yet.