PIRSA:19090100 Scientific Series Mathematical physics

DOI10.48660/19090100

Series: Mathematical Physics

Freed, D. (2019). Gapped boundary theories for 3d Chern-Simons. Perimeter Institute. https://pirsa.org/19090100

Freed, Dan. Gapped boundary theories for 3d Chern-Simons. Perimeter Institute, Sep. 19, 2019, https://pirsa.org/19090100 

@misc{ pirsa_PIRSA:19090100,
  doi = {10.48660/19090100},
  url = {https://pirsa.org/19090100},
  author = {Freed, Dan},
  keywords = {Mathematical physics},
  language = {en},
  title = {Gapped boundary theories for 3d Chern-Simons},
  publisher = {Perimeter Institute},
  year = {2019},
  month = {sep},
  note = {PIRSA:19090100 see, \url{https://pirsa.org}}
}

Abstract

I will discuss a theorem, joint work in progress with Constantin Teleman, in which we characterize which topological 3-dimensional Chern-Simons theories admit nonzero boundary theories.  Accepting some physical heuristics, it tells which gapped systems in 2+1 dimensions admit only gapless boundary systems.

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