Black hole radiance, short distances, and TeV gravity

Area of Science:

• Theoretical physics
• Quantum gravity
• Black hole thermodynamics

Background:

• Black hole radiance is typically described by a Planckian spectrum.
• Understanding short-distance contributions is crucial for refining these models.
• TeV gravity scenarios introduce new physics at energy scales below the traditional Planck scale.

Purpose of the Study:

• To quantitatively estimate the contribution of short distances to black hole radiance.
• To investigate deviations from the Planckian spectrum in specific black hole scenarios.
• To explore the implications of TeV gravity for black hole thermodynamics.

Main Methods:

• Derivation of black hole radiance using two-point functions.
• Analysis of black hole thermodynamics under specific conditions (kappalp<<1).
• Examination of mini black holes within TeV gravity frameworks.

Main Results:

• A method is established to quantitatively estimate short-distance contributions to black hole radiance.
• Thermality is preserved for black holes with kappalp<<1.
• Deviations from the Planckian spectrum are predicted for mini black holes in TeV gravity scenarios prior to the Planck phase.

Conclusions:

• Short-distance physics significantly impacts black hole radiance spectra.
• Mini black holes in TeV gravity offer a unique window to probe deviations from standard black hole physics.
• These findings necessitate a re-evaluation of black hole thermodynamics in modified gravity theories.