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Spectroscopy of a canonically quantized horizon
2007
Nuclear Physics B
Deviations from Hawking's thermal black hole spectrum, observable for macroscopic black holes, are derived from a model of a quantum horizon in loop quantum gravity. These arise from additional area eigenstates present in quantum surfaces excluded by the classical isolated horizon boundary conditions. The complete spectrum of area unexpectedly exhibits evenly spaced symmetry. This leads to an enhancement of some spectral lines on top of the thermal spectrum. This can imprint characteristic
doi:10.1016/j.nuclphysb.2007.01.009
fatcat:bue2r3s2jrfwdihihzsgt2rqka