Toller matrices T^(±) in causal spinfoam amplitudes satisfy T^(+) + T^(-) = D and admit equivalent definitions via analyticity, iε prescription, and boost-eigenvalue integrals that reproduce the Euclidean-to-Lorentzian Wick rotation.
Planck stars, White Holes, Remnants and Planck-mass quasi-particles. The quan- tum gravity phase in black holes’ evolution and its man- ifestations
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A minimum purification time for evaporating black holes is derived as scaling with M0^4/hbar^{3/2}, becoming exponential in initial area under a metastability assumption for Planck-scale holes, implying white-hole remnants.
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.
PBH masses near 10^3 kg allow Hawking evaporation to reheat the universe while Planckian remnants comprise all present-day DM without fine-tuning initial abundance, yielding testable GW signals.
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.
citing papers explorer
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Toller matrices and the Feynman $i\varepsilon$ in spinfoams
Toller matrices T^(±) in causal spinfoam amplitudes satisfy T^(+) + T^(-) = D and admit equivalent definitions via analyticity, iε prescription, and boost-eigenvalue integrals that reproduce the Euclidean-to-Lorentzian Wick rotation.
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Minimum lifetime of a black hole
A minimum purification time for evaporating black holes is derived as scaling with M0^4/hbar^{3/2}, becoming exponential in initial area under a metastability assumption for Planck-scale holes, implying white-hole remnants.
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Quantum gravitational stellar evolution beyond shell-crossing singularities
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.
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Signatures of loop quantum gravity in primordial black hole cosmologies
PBH masses near 10^3 kg allow Hawking evaporation to reheat the universe while Planckian remnants comprise all present-day DM without fine-tuning initial abundance, yielding testable GW signals.
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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.