A Hamiltonian formulation of Darmois-Israel junction conditions extends LQG-inspired stellar collapse models beyond shell-crossing singularities by treating them as timelike thin dust shells, yielding an inter-universal wormhole with continuous induced metric.
Fate of quantum black holes
5 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We study the quantum dynamics of the Lema\^itre-Tolman-Bondi space-times using a polymer quantization prescription based on loop quantum cosmology that incorporates fundamental discreteness. By solving an effective equation derived from this quantization, we find analytical solutions for the Oppenheimer-Snyder and thin-shell collapse models, and numerical solutions for a variety of asymptotically flat collapsing dust profiles. Our study (i) tracks the formation, evolution and disappearance of dynamical horizons, (ii) shows that matter undergoes a non-singular bounce that results in an outgoing shock wave, (iii) determines black hole lifetime to be proportional to the square its mass, and (iv) provides a conformal diagram that substantially modifies the standard "information loss" picture by resolving the singularity and replacing the event horizon by transient apparent horizons.
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gr-qc 5years
2026 5roles
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Quantizing dust geodesics in a generalized Kerr metric gives a rotating black-hole core that is smaller and equator-elongated relative to the spherical case, with a linear mass/angular-momentum interior profile that avoids Cauchy horizons.
An exact spherically symmetric analytic collapse model grows an apparent horizon H(t) from zero to 2M while hiding an integrable central singularity and preserving weak cosmic censorship without exotic matter.
A loop-quantum-gravity-inspired phenomenological model of stellar collapse resolves central and shell-crossing singularities via local quantum repulsion, resulting in a stable outgoing solitary matter wave that ejects the entire stellar mass as a fuzzy-nova.
Algebraic equations from Hamiltonian constraints on vacuum spherically symmetric metrics describe non-homogeneous dust collapse and bounce, applied to quantum-inspired models to recover or find new bounce results.
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Fuzzy-novae
A loop-quantum-gravity-inspired phenomenological model of stellar collapse resolves central and shell-crossing singularities via local quantum repulsion, resulting in a stable outgoing solitary matter wave that ejects the entire stellar mass as a fuzzy-nova.