Unique quasi-topological theories with first-order equations are found for Taub-NUT, NHEK, swirling and related 4D symmetric metrics, enabling closed-form solutions and regular black holes from high-order curvature corrections.
Thermodynamics of Lorentzian Taub-NUT spacetimes
5 Pith papers cite this work. Polarity classification is still indexing.
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Derives a Christodoulou-Ruffini-type squared-mass formula for Kerr-Newman-NUT-AdS4 using secondary NUT hairs J_n and N, then verifies the first law and Smarr relation by differentiation.
Misner strings carry singular gravielectric and gravimagnetic fluxes that connect horizons to infinity, explaining negative Komar masses as incoming field lines and showing the strings are massless empty tubes.
Misner strings accompanying charged nutty black holes carry effective electric and magnetic charges via singular field flows with nonzero divergence, creating observable short-range electromagnetic hair.
Derives circularity and marginal stability conditions for charged particles in weakly magnetized Taub-NUT spacetime and finds that magnetic field strength monotonically decreases the ISCO radius with charge-dependent branch ordering.
citing papers explorer
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Quasi-topological gravity for 4-dimensional Taub-NUT, near-horizon extreme Kerr, and swirling symmetries
Unique quasi-topological theories with first-order equations are found for Taub-NUT, NHEK, swirling and related 4D symmetric metrics, enabling closed-form solutions and regular black holes from high-order curvature corrections.
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Multihair thermodynamics of Kerr-Newman-NUT-AdS$_4$ spacetimes
Derives a Christodoulou-Ruffini-type squared-mass formula for Kerr-Newman-NUT-AdS4 using secondary NUT hairs J_n and N, then verifies the first law and Smarr relation by differentiation.
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Gravielectric and gravimagnetic fluxes in nutty black holes
Misner strings carry singular gravielectric and gravimagnetic fluxes that connect horizons to infinity, explaining negative Komar masses as incoming field lines and showing the strings are massless empty tubes.
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Charged nutty black holes are hairy
Misner strings accompanying charged nutty black holes carry effective electric and magnetic charges via singular field flows with nonzero divergence, creating observable short-range electromagnetic hair.
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Equatorial Circular Motion of Charged Test Particles in a Weakly Magnetized Taub--NUT Background
Derives circularity and marginal stability conditions for charged particles in weakly magnetized Taub-NUT spacetime and finds that magnetic field strength monotonically decreases the ISCO radius with charge-dependent branch ordering.