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Recent Seminar

Title              :

Dark Energy at a Crossroads: Tension with expansion history of the Universe and its possible resolution

Speaker         : Anjan Ananda Sen , CTP, Jamia
Date                : March 18, 2019
Time               : 3:30 PM
Venue            : Room 3307
Abstract        :

The recent measurements of the expansion history of the universe by several low-redshift observations are at large tension with similar measurement by Planck using CMB. In this talk, I shall discuss this issue and provide a possible solution to resolve this tension. I shall show that the presence of negative cosmological constant may naturally arise in resolving such tension. I shall discuss possible implications for such a cosmological scenario.



Last Updated on Friday, 11 April 2014 19:27
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