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Local symmetries of non-expanding horizons
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Local symmetries of a non-expanding horizon has been investigated in the 1st order formulation of gravity. When applied to a spherically symmetric isolated horizon only a U(1) subgroup of the Lorentz group survives as residual local symmetry that one can make use of in constructing an effective theory on the horizon.
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Forward citations
Cited by 2 Pith papers
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Hawking radiation from black holes in 2+1 dimensions
Black hole horizons in 2+1D are composed of quantized length quanta 8π ℓ_P n, producing entropy near the Bekenstein-Hawking value and a local Hawking spectrum via a length ensemble.
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Hawking radiation from black holes in 2+1 dimensions
In 2+1 dimensions, black hole horizons are quantized into lengths 8π ℓ_P n, from which a length ensemble directly yields the Hawking blackbody spectrum with Tolman-modified temperature.
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