Fast Scramblers, Horizons and Expander Graphs

Apr, 2012
24 pages
Published in:
  • JHEP 08 (2012) 016
e-Print:
Report number:
  • IFT-UAM-CSIC-12-40

Citations per year

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Abstract: (arXiv)
We propose that local quantum systems defined on expander graphs provide a simple microscopic model for thermalization on quantum horizons. Such systems are automatically fast scramblers and are motivated from the membrane paradigm by a conformal transformation to the so-called optical metric.
Note:
  • 22 pages, 2 figures. Added further discussion in section 3. Added references
  • horizon: quantum
  • transformation: conformal
  • membrane
  • optical