Short distances, black holes, and TeV gravity
Abstract
The Hawking effect can be rederived in terms of two-point functions and in such a way that it makes it possible to estimate, within the conventional semiclassical theory, the contribution of ultrashort distances at I+ to the Planckian spectrum. Thermality is preserved for black holes with lP << 1. However, deviations from the Planckian spectrum can be found for mini black holes in TeV gravity scenarios, even before reaching the Planck phase.
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