Journal
UNIVERSE
Volume 4, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/universe4120139
Keywords
quantum-gravity phenomenology; hypersurface deformation algebra; loop quantum gravity; black holes
Funding
- COST (European Cooperation in Science and Technology) [CA15117]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior-Brasil (CAPES) [001]
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Hypersurface deformation algebra consists of a fruitful approach to derive deformed solutions of general relativity based on symmetry considerations with quantum-gravity effects, of which the linearization has been recently demonstrated to be connected to the DSR program by kappa-Poincare symmetry. Based on this approach, we analyzed the solution derived for the interior of a black hole and we found similarities with the so-called rainbow metrics, like a momentum-dependence of the metric functions. Moreover, we derived an effective, time-dependent Planck length and compared different regularization schemes.
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