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Joint Theory Seminar: Matthew Reece

Description Speaker: Matthew Reece (Harvard)
Title: A Swampland Tour, From Global Symmetries to Axion Physics
Host: Da Liu
Zoom: https://zoom.us/j/186024391

Abstract:
The Swampland program aims to distinguish effective quantum field theories that can potentially arise within UV-complete quantum gravity theories (“the Landscape”) from those that cannot (“the Swampland”). The most well-established such criterion is that theories of quantum gravity never have exact global symmetries. I will discuss some generalizations and consequences of this idea. In particular, I will discuss ongoing work (with Heidenreich, McNamara, Montero, Rudelius, and Valenzuela) on how axion fields often play a crucial role in banishing global symmetries from a theory, with potential phenomenological implications.
Date Mon, December 7, 2020
Time 1:30pm-2:30pm PST
Duration 1 hour
Access Public
Created by High-Energy Seminars
Updated Mon, December 7, 2020 1:44pm PST
Send Reminder Yes  -  0 days 8 hour 0 minutes before start

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