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Paper   IPM / P / 17668
School of Physics
  Title:   Horizon strings as 3D black hole microstates
1.  A. Bagchi
2.  D. Grumiller
3.  M.M. Sheikh-Jabbari
  Status:   Published
  Journal: SciPost Phys.
  Vol.:  15
  Year:  2023
  Pages:   210
  Supported by:  IPM
We propose that 3d black holes are an ensemble of tensionless null string states. These microstates typically have non-zero winding. We evaluate their partition function in the limit of large excitation numbers and show that their combinatorics reproduces the Bekenstein-Hawking entropy and its semiclassical logarithmic corrections.

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