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Fractional charge of quasi-particles on the horizon of black holes

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arxiv 1907.01209 v2 pith:VKCVHIZ5 submitted 2019-07-02 gr-qc

Fractional charge of quasi-particles on the horizon of black holes

classification gr-qc
keywords blackfractionalholefillingfracfractionholesinsulators
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In the previous works, it was claimed that black holes can be considered as topological insulators. In this paper, we will show that they are actually fractional topological insulators. That is, the quasi-particles and quasi-holes can have fractional charges and statistics (spins). For BTZ black hole, the filling fraction is $v=\frac{1}{2k}$. For Kerr black hole, the filling fraction is $v=\frac{\pi}{S}$, where $S$ is the entropy of black hole.

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