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YouTube

Status of the Concordance Model of Cosmology - Current Tensions and Future Directions

Raman Research Institute via YouTube

Overview

Explore a comprehensive colloquium lecture where Professor Arman Shafieloo examines the current state of the standard cosmological model, addressing recent observational challenges and potential solutions. Delve into both early and late universe approaches to resolving existing tensions in cosmology, while gaining insights into the field's future direction with upcoming astronomical and cosmological surveys. Learn about various aspects of modern cosmology including dark energy, the Hubble parameter controversy, and advanced statistical techniques for analyzing astronomical data. Follow along as the distinguished researcher, with experience from institutions like the University of Oxford and Korea Astronomy and Space Science Institute, guides through topics ranging from supernova observations and Planck data to large-scale structure and model selection methodologies, concluding with discussions on strong lensing systems and future astronomical services.

Syllabus

Intro
Welcome
Assumptions
Supernova
Planck
Large scale structure
Standard model
Hubble parameters
How to go beyond the standard model
Hubble constant local measurements
Tensions
Early Dark Energy
PRL
Late Dark Energy Evolution
Generalized emergent dark energy
Model selection
Dark energy
Power of the primordial Spectrum
Consistent data
Different background parameters
Convolution
Applications
Problem Spectrum
Comments
Theological Approach
The Problem
Independent Measurements
TRGPs
Strong lensing
Future astronomical service
Strong lens systems
Two light curves
High red shift
Relationship Distortion
More cautious

Taught by

Raman Research Institute

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