Ambiguity of black hole entropy in loop quantum gravity

Abstract

We reexmine some proposals of black hole entropy in loop quantum gravity (LQG) and consider a new possible choice of the Immirzi parameter which has not been pointed out so far. We also discuss that a new idea is inevitable if we regard the relation between the area spectrum in LQG and that in the quasinormal mode analysis seriously.

4 pages, 1 figure, error corrected, PRD published version

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Cited by in corpus (13)

• Quasinormal Spectrum and Quantization of Charged Black Holes
• Renormalization and black hole entropy in Loop Quantum Gravity
• The Evolution of $\Lambda$ Black Holes in the Mini-Superspace Approximation of Loop Quantum Gravity
• Observational constraints of a power spectrum from super-inflation in Loop Quantum Cosmology
• Phase-space and Black Hole Entropy of Higher Genus Horizons in Loop Quantum Gravity
• Symmetry and entropy of black hole horizons
• Entropy calculation for a toy black hole
• Anisotropic Structures and Wormholes with Loop Quantum Gravity Holonomy Corrections
• Considering boundary conditions for black hole entropy in loop quantum gravity
• On the black hole singularity issue in loop quantum gravity
• Effective gauge group of pure loop quantum gravity is SO(3): New estimate of the Immirzi parameter
• Holographic bound in covariant loop quantum gravity
• Extending the isolated horizon phase space to string-inspired gravity models