PIRSA:19080059 Conference Condensed Matter

DOI10.48660/19080059

Conference/School: Boundaries and Defects in Quantum Field Theory

Chapman, S. (2019). Complexity for Systems with Defects. Perimeter Institute. https://pirsa.org/19080059

Chapman, Shira. Complexity for Systems with Defects. Perimeter Institute, Aug. 07, 2019, https://pirsa.org/19080059 

@misc{ pirsa_PIRSA:19080059,
  doi = {10.48660/19080059},
  url = {https://pirsa.org/19080059},
  author = {Chapman, Shira},
  keywords = {Condensed Matter, Quantum Fields and Strings, Quantum Information},
  language = {en},
  title = {Complexity for Systems with Defects},
  publisher = {Perimeter Institute},
  year = {2019},
  month = {aug},
  note = {PIRSA:19080059 see, \url{https://pirsa.org}}
}

Abstract

I will start by reviewing the definition and properties of complexity as well as the relevant holographic proposals. I will then describe the results of [1811.12549] where we studied the two holographic complexity proposals for the case of a 2d boundary CFT with a conformal defect using a Randall-Sundrum type model of a thin AdS_2 brane embedded in AdS_3. Our results indicate that this setup can be used to distinguish the two holographic proposals for the complexity. I will also describe results for simple free bosonic field theory models which include two defects on opposite sides of a periodic domain.

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