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SUMMARY:A Swampland Tour\, From Global Symmetries to Axion Physics - Matt 
 Reece\, Harvard
DTSTART:20200603T131500Z
DTEND:20200603T141500Z
UID:TALK141856@talks.cam.ac.uk
CONTACT:Francesca Chadha-Day
DESCRIPTION:The Swampland program aims to distinguish effective quantum fi
 eld 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 generaliz
 ations and consequences of this idea. In particular\, I will discuss work 
 in progress (with Heidenreich\, McNamara\, Montero\, Rudelius\, and Valenz
 uela) on how axion fields often play a crucial role in banishing global sy
 mmetries from a theory\, with potential phenomenological implications.
LOCATION:ONLINE - Details to be sent by email
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