Spatial Curvature, Dark Energy Dynamics, Neither, or Both

Prof.

Bharat

Ratra

Kansas State University

May 17, 2023 12:30 PM

Observations over the two last decades have persuaded cosmologists that (as yet only indirectly detected) dark energy is by far the main component of the energy budget of the current universe. I review a few simple dark energy models and compare their predictions to observational data, to derive dark energy model-parameter constraints and to test consistency of different data sets. I conclude with a list of open cosmological questions.

Hybrid meting

Room D, the Institute of Physics PAS, Al. Lotników 32/46

Zoom: https://zoom.us/j/82380380442?pwd=Z3IyeEhlZmFHU1B2M2VUVVJhODkrUT09 (Passcode: 134595, Meeting ID: 823 8038 0442)