Status | Confirmed |
Seminar Series | P^3 |
Subjects | astro-ph,hep-ph,hep-th |
Date | Tuesday 12 May 2020 |
Time | 16:00 |
Institute | IHP |
Seminar Room | Seminar via vidyo https://vidyoportal.cern.ch/join/LUUjgo3O7b |
Speaker's Last Name | Reece |
Speaker's First Name | Matthew |
Speaker's Email Address | |
Speaker's Institution | Harvard |
Title | A Swampland Tour, From Global Symmetries to Axion Physics |
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 work in progress (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. |
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