Abstract
Black holes in 2+1 dimensions enjoy long range topological interactions similar to those of non-abelian anyon excitations in a topologically ordered medium. Using this observation, we compute the topological entanglement entropy of BTZ black holes via the established formula S top = log(\( S_0^a \)), with \( S_b^a \) the modular S-matrix of the Virasoro characters χ a (τ). We find a precise match with the Bekenstein-Hawking entropy. This result adds a new twist to the relationship between quantum entanglement and the interior geometry of black holes. We generalize our result to higher spin black holes, and again find a detailed match. We comment on a possible alternative interpretation of our result in terms of boundary entropy.
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ArXiv ePrint: 1308.2342
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McGough, L., Verlinde, H. Bekenstein-Hawking entropy as topological entanglement entropy. J. High Energ. Phys. 2013, 208 (2013). https://doi.org/10.1007/JHEP11(2013)208
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DOI: https://doi.org/10.1007/JHEP11(2013)208