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Quantum Oppenheimer-Snyder and Swiss Cheese models

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arxiv 2210.02253 v3 pith:7DSR2XXK submitted 2022-10-05 gr-qc astro-ph.CO

Jerzy Lewandowski , Yongge Ma , Jinsong Yang , Cong Zhang This is my paper · ORCID
classification gr-qcastro-ph.CO
keywords quantumholemodelblackoppenheimer-snydercheesecosmologymodels
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By considering the quantum Oppenheimer-Snyder model in loop quantum cosmology, a new quantum black hole model whose metric tensor is a suitably deformed Schwarzschild one is derived. The quantum effects imply a lower bound on the mass of the black hole produced by the collapsing dust ball. For the case of larger masses where the event horizon does form, the maximal extension of the spacetime and its properties are investigated. By discussing the opposite scenario to the quantum Oppenheimer-Snyder, a quantum Swiss Cheese model is obtained with a bubble surrounded by the quantum universe. This model is analogous to black hole cosmology or fecund universes where the big bang is related to a white hole. Thus our models open a new window to cosmological phenomenology.

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Cited by 11 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Asymmetric Quantum Oppenheimer-Snyder Collapse

    gr-qc 2026-08 conditional novelty 6.0 of 10

    Asymmetric loop-quantum-cosmology collapse of a dust ball yields a geodesically complete, bouncing regular black hole spacetime with a C^0 shock at the dust surface and two joined vacuum geometries.

  2. Evaporating cosmologically coupled black holes

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    If a black hole's mass grows with cosmic expansion, Hawking evaporation is slowed or reversed, weakening gamma-ray bounds on primordial black holes.

  3. Privacy-Preserving Driver Drowsiness Detection with Spatial Self-Attention and Federated Learning

    cs.CV 2025-08 conditional novelty 6.0 of 10

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  4. Dust shell in effective loop quantum black hole model

    gr-qc 2025-06 conditional novelty 6.0 of 10

    In a polymerized loop-quantum-gravity black hole model, a collapsing dust shell bounces and, for sufficiently heavy shells, follows a spacelike trajectory through the horizon, implying a finite horizon lifetime and a ...

  5. Evaporation and fate of covariant quantum black holes

    gr-qc 2026-07 conditional novelty 5.0 of 10

    For a covariant LQG black-hole metric, Hawking mass-loss rates depend on emitted-particle spin and deviate from Schwarzschild rates only for sub-Planckian masses.

  6. Black hole solutions with a linear equation of state in Ho\v{r}ava gravity and Einstein--{\ae}ther theory

    gr-qc 2025-12 conditional novelty 5.0 of 10

    Three families of static spherically symmetric black-hole solutions in Hořava/Einstein-æther theory are generated from chosen linear equations of state, yielding RN-like, extremal degenerate-horizon, and repulsive-pot...

  7. Quantum parameter-mass induced scalarization of qOS-black hole in the Einstein-Gauss-Bonnet-scalar theory

    gr-qc 2025-05 conditional novelty 5.0 of 10

    For the quantum Oppenheimer-Snyder black hole, the heat capacity Davies points coincide exactly with the critical onset values for spontaneous scalarization in Einstein-Gauss-Bonnet-scalar gravity.

  8. Echoes and quasinormal modes for static loop quantum black bounces

    gr-qc 2026-07 conditional novelty 4.0 of 10

    Scalar perturbations of the loop quantum black bounce spacetime produce echoes in traversable-wormhole configurations with a double-barrier effective potential, but not in regular-black-hole configurations with a sing...

  9. Quantum Black Holes: Perihelion Advance, Quasi Normal Modes and Classical/ Topological Thermodynamics

    gr-qc 2025-07 conditional novelty 4.0 of 10

    A quantum-corrected Schwarzschild black hole is shown to be stable under scalar and electromagnetic perturbations, with thermodynamic topology identical to Reissner-Nordström.

  10. Two scalarizations of magnetically charged black holes

    gr-qc 2025-07 conditional novelty 4.0 of 10

    For a magnetically charged black hole in Einstein-Gauss-Bonnet-scalar theory with nonlinear electrodynamics, the paper derives thermodynamic relations, finds shadow-based mass constraints, and predicts two scalarizati...

  11. Epicyclic oscillations and accretion disk around a special Buchdahl-inspired spacetime

    gr-qc 2025-07 conditional novelty 4.0 of 10

    The Buchdahl-inspired metric shifts the ISCO inward for positive k tilde and produces QPO and disk profiles that the authors fit to microquasar data, claiming 0.03<k<0.19.

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