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Charged black holes from T-duality

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arxiv 2205.15441 v2 pith:A7AP23C4 submitted 2022-05-30 hep-th gr-qc

classification hep-thgr-qc
keywords blackt-dualitychargeholepropagatorstaticstringangular
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

In this paper, we present a family of regular black hole solutions in the presence of charge and angular momentum. We also discuss the related thermodynamics and we comment about the black hole life cycle during the balding and spin down phases. Interestingly the static solution resembles the Ay\'on-Beato--Garc\'ia spacetime, provided the T-duality scale is redefined in terms of the electric charge, $l_0\to Q$. The key factor at the basis of our derivation is the employment of Padmanabhan's propagator to calculate static potentials. Such a propagator encodes string T-duality effects. This means that the regularity of the spacetimes here presented can open a new window on string theory phenomenology.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Two-scale magnetically charged regular black holes from nonlinear electrodynamics and a T-duality-inspired zero-point length

    gr-qc 2026-08 conditional novelty 5.0 of 10

    A two-parameter regular black hole family is constructed, with an explicit nonlinear electrodynamics source, exact thermodynamic identities, and analytic shadow and plasma-lensing predictions.

  2. Gravitational perturbations of a regular T-duality inspired black hole: Quasinormal modes, excitation factors, and time-domain evolution

    gr-qc 2026-07 conditional novelty 4.0 of 10

    Gravitational quasinormal-mode frequencies of a T-duality-inspired regular black hole are computed, showing the zero-point length makes the ringdown oscillate faster and alters damping non-monotonically.

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