In charged AdS black holes, the topological number W changes at a boundary membership event τ_a, while the branch response C_par diverges at a separate turning point τ_b, because the two diagnostics track different local structures of the same zero point curve.
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2026 4representative citing papers
Greybody lower bounds and absorption cross sections for massless fields of spins 0, 1, and 1/2 are computed in the Euler-Heisenberg black hole with perfect fluid dark matter, revealing monotonic increases with frequency and parameter-dependent deformations of the spectra.
Applying Jacobson's thermodynamic derivation to general non-Riemannian spacetimes selects a unique Einstein-Hilbert-plus-torsion-vector-squared theory in the torsion-only case, and yields no action-based theory when non-metricity is present.
The primordial dark matter scale suppresses Hawking temperature and spectral energy emission rate relative to Schwarzschild while the heat capacity stays negative and the sparsity parameter receives a small negative correction.
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Topological changes and response singularities in black hole thermodynamic branch structure
In charged AdS black holes, the topological number W changes at a boundary membership event τ_a, while the branch response C_par diverges at a separate turning point τ_b, because the two diagnostics track different local structures of the same zero point curve.
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Perturbations and greybody bounds of Euler-Heisenberg black holes surrounded by perfect fluid dark matter
Greybody lower bounds and absorption cross sections for massless fields of spins 0, 1, and 1/2 are computed in the Euler-Heisenberg black hole with perfect fluid dark matter, revealing monotonic increases with frequency and parameter-dependent deformations of the spectra.
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Jacobson's thermodynamic approach to classical gravity applied to non-Riemannian geometries: remarks on the simplicity of Nature
Applying Jacobson's thermodynamic derivation to general non-Riemannian spacetimes selects a unique Einstein-Hilbert-plus-torsion-vector-squared theory in the torsion-only case, and yields no action-based theory when non-metricity is present.
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Hawking Temperature, Sparsity and Energy Emission Rate of Regular Black Holes Supported by Primordial Dark Matter
The primordial dark matter scale suppresses Hawking temperature and spectral energy emission rate relative to Schwarzschild while the heat capacity stays negative and the sparsity parameter receives a small negative correction.