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Black hole entropy from Quantum Geometry

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arxiv gr-qc/0407051 v2 pith:3OHXXPKC submitted 2004-07-14 gr-qc hep-th

Marcin Domagala , Jerzy Lewandowski (Uniwersytet Warszawski) This is my paper · ORCID
classification gr-qchep-th
keywords quantumentropygeometryblackcountingholeliteratureaccount
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Quantum Geometry (the modern Loop Quantum Gravity using graphs and spin-networks instead of the loops) provides microscopic degrees of freedom that account for the black-hole entropy. However, the procedure for state counting used in the literature contains an error and the number of the relevant horizon states is underestimated. In our paper a correct method of counting is presented. Our results lead to a revision of the literature of the subject. It turns out that the contribution of spins greater then 1/2 to the entropy is not negligible. Hence, the value of the Barbero-Immirzi parameter involved in the spectra of all the geometric and physical operators in this theory is different than previously derived. Also, the conjectured relation between Quantum Geometry and the black hole quasi-normal modes should be understood again.

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Cited by 4 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

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    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. Gauging Time Reversal Symmetry in Quantum Gravity: Arrow of Time from a Confinement--Deconfinement Transition

    physics.gen-ph 2026-05 unverdicted novelty 6.0 of 10

    The emergence of the cosmological arrow of time is identified with a confinement-deconfinement transition in a Z2 lattice gauge theory on LQG spin networks, with the deconfined phase corresponding to a CZX-type SPT phase.

  3. Towards the consistent perturbative expansion in discrete gravity

    gr-qc 2026-01 conditional novelty 5.0 of 10

    A mixed finite-difference action plus a principal-value soft synchronous gauge is claimed to make lattice gravity perturbation theory reproduce continuum gravity at small momenta.

  4. 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.

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