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High Energy Physics Seminar

Monday, November 23, 2020
4:00pm to 5:00pm
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Online Event
Renormalizable QFT for gravity
John Donoghue, UMass Amherst,

I will start with a review of how General Relativity can be treated as a quantum field theory, as well as some of its limitations. After a general discussion of the Arrow of Causality in QFT, I will turn to gravity with quadratic curvature terms, which is a potential UV completion of General Relativity. This forms a renormalizable QFT, although it is one with some non-standard features. The talk will try to walk us all through some of what is known about these non-standard aspects. 

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