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Kurt Hinterbichler (CWRU Physics)

Date: Thu. September 22nd, 2016, 4:00 pm-5:00 pm
Location: Rockefeller 301

Massive Gravitons, the Cosmological Constant and New Directions in Gravity

The solution to the cosmological constant problem may involve modifying the very long-range dynamics of gravity by adding new degrees of freedom. As an example of a conservative such modification, we consider the possibility that the graviton has a very small mass. Massive gravity has received renewed interest due to recent advances which have resolved its traditional problems. It has some peculiar and unexpected features, and it points us towards a different way of thinking about the universe on large scales.

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