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Monday, September 16, 2019 at 4:00pm to 5:00pm
Rockefeller Hall, Schwartz Auditorium
General Physics Colloquium, Prof. Tom Hartman, Cornell University
Refreshments from 3:30-3:50 pm
Title: Black Holes, Causality, and Critical Phenomena
Host: Liam McAllister
Abstract: Black holes, aside from their importance in astrophysics, play a crucial role in understanding quantum gravity and quantum field theory. I will describe how black holes provide a window into fundamental physics, focusing on our efforts to understand the mechanism for causality in quantum gravity. We will scatter from a black hole, then use the results to derive new constraints on quantum fields, and to make new predictions for ordinary matter including ferromagnets and boiling water near the critical point.