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Author

A. Ovgun

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2 papers indexed here

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Preprint Sep 2026

Tidal Response Beyond the Background Geometry in Einstein-Euler-Heisenberg Black Holes

We determine the quadrupolar logarithmic tidal response of electrically charged Einstein-Euler-Heisenberg black holes from the coupled static odd-parity gravitational and electromagnetic equations. Although the second electromagnetic invariant vanishes on the electric background, its quadratic interaction contributes t...

Ramón Bécar, P. González, A. Ovgun et al. · 1 citation
Preprint Sep 2026

Effective Matter Conversion in Gravitational Collapse and the Dynamical Formation of Regular Black Holes

We study inverse source reconstruction in generalized Vaidya spacetimes. A prescribed density fixes the mass and tangential pressure, while a two-sector decomposition determines a dimensionless radial balance function. We distinguish this function from a time-directed conversion rate and identify the additional null-fl...

Emmanuele Battista, A. Ovgun, V. Vertogradov · 1 citation

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