Loopy Black-Hole Remnants
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916924898672640 |
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| author | Alonso-Bardaji, Asier |
| author_facet | Alonso-Bardaji, Asier |
| contents | The quantized area predicted by loop quantum gravity suggests the existence of a lower bound for black-hole horizons. We prove this intuition within a covariant effective model for spherical loop quantum gravity, where nonsingular quasi-static black holes evaporate until their horizons attain the smallest positive eigenvalue of the area operator. Consistent with the third law of black-hole thermodynamics, this final state -- characterized by vanishing temperature and entropy -- cannot be realized in finite time. The process thus leads to the formation of stable remnants, whose estimated masses are approximately 20.94$μ$g, lying in the Planck regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_21159 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Loopy Black-Hole Remnants Alonso-Bardaji, Asier General Relativity and Quantum Cosmology The quantized area predicted by loop quantum gravity suggests the existence of a lower bound for black-hole horizons. We prove this intuition within a covariant effective model for spherical loop quantum gravity, where nonsingular quasi-static black holes evaporate until their horizons attain the smallest positive eigenvalue of the area operator. Consistent with the third law of black-hole thermodynamics, this final state -- characterized by vanishing temperature and entropy -- cannot be realized in finite time. The process thus leads to the formation of stable remnants, whose estimated masses are approximately 20.94$μ$g, lying in the Planck regime. |
| title | Loopy Black-Hole Remnants |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2508.21159 |