PIRSA:15040162 Conference Condensed Matter

DOI10.48660/15040162

Conference/School: 4 Corners Southwest Ontario Condensed Matter Physics Symposium 2015

Lee, S. (2015). Low energy field theories for non-Fermi liquids. Perimeter Institute. https://pirsa.org/15040162

Lee, Sung-Sik. Low energy field theories for non-Fermi liquids. Perimeter Institute, Apr. 30, 2015, https://pirsa.org/15040162 

@misc{ pirsa_PIRSA:15040162,
  doi = {10.48660/15040162},
  url = {https://pirsa.org/15040162},
  author = {Lee, Sung-Sik},
  keywords = {Condensed Matter},
  language = {en},
  title = {Low energy field theories for non-Fermi liquids},
  publisher = {Perimeter Institute},
  year = {2015},
  month = {apr},
  note = {PIRSA:15040162 see, \url{https://pirsa.org}}
}

Abstract

In this talk, I will discuss some of the recent progress made on low energy effective field theories for non-Fermi liquids. Based on a dimensional regularization scheme, physical properties of various non-Fermi liquid states can be computed in controlled ways. I will emphasize novel features that arise due to the interplay between interaction and the presence of extensive gapless modes near Fermi surface. The examples include non-analytic expansion in coupling, emergent locality and UV/IR mixing.

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