PIRSA:13050050 Conference Quantum Fields and Strings Condensed Matter

DOI10.48660/13050050

Conference/School: Emergence & Entanglement II 2013

McGreevy, J. (2013). A gauge theory generalization of the fermion-doubling theorem. Perimeter Institute. https://pirsa.org/13050050

McGreevy, John. A gauge theory generalization of the fermion-doubling theorem. Perimeter Institute, May. 10, 2013, https://pirsa.org/13050050 

@misc{ pirsa_PIRSA:13050050,
  doi = {10.48660/13050050},
  url = {https://pirsa.org/13050050},
  author = {McGreevy, John},
  keywords = {Quantum Fields and Strings, Condensed Matter},
  language = {en},
  title = {A gauge theory generalization of the fermion-doubling theorem},
  publisher = {Perimeter Institute},
  year = {2013},
  month = {may},
  note = {PIRSA:13050050 see, \url{https://pirsa.org}}
}

Abstract

This talk is about obstructions to symmetry-preserving regulators of quantum field theories in 3+1 dimensions.  New examples of such obstructions can be found using the fact that  4+1-dimensional SPT states are characterized by their edge states.
(Based on work in progress with S.M. Kravec.)

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