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Einstein-Klein-Gordon by gravitational decoupling

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arxiv 1811.08559 v1 pith:37MAWQ7X submitted 2018-11-20 gr-qc

J Ovalle , R Casadio , R da Rocha , A Sotomayor , Z Stuchlik This is my paper · ORCID
classification gr-qc
keywords schwarzschilddecouplingfieldgravitationalscalarsolutionallowsappears
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We investigate how a spherically symmetric scalar field can modify the Schwarzschild vacuum solution when there is no exchange of energy-momentum between the scalar field and the central source of the Schwarzschild metric. This system is described by means of the gravitational decoupling by Minimal Geometric Deformation (MGD-decoupling), which allows us to show that, under the MGD paradigm, the Schwarzschild solution is modified in such a way that a naked singularity appears.

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Cited by 5 Pith papers

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

  1. Isotropization and change of complexity by gravitational decoupling

    gr-qc 2019-09 conditional novelty 6.0 of 10

    A gravitational decoupling technique that continuously isotropizes anisotropic stellar solutions and generates new solutions with controlled complexity factor, demonstrated on two exact examples.

  2. Regular black holes with Minkowskian cores: causal structure and observational degeneracy

    gr-qc 2026-07 conditional novelty 5.0 of 10

    Regular black holes with Minkowskian cores constructed by gravitational decoupling produce shadows and accretion-disk images nearly indistinguishable from Kerr/Schwarzschild despite radically different interiors.

  3. Hair imprints of the gravitational decoupling and hairy black hole spectroscopy

    gr-qc 2025-06 conditional novelty 5.0 of 10

    The quasinormal mode frequencies of three gravitational-decoupling hairy black holes differ from matched Reissner-Nordström black holes by more than the estimated WKB error for the first metric, giving a theoretical h...

  4. Gravitational decoupling and regular hairy black holes: Geodesic stability, quasinormal modes, and thermodynamic properties

    gr-qc 2025-12 conditional novelty 4.0 of 10

    For the regular hairy black hole metric (29), larger β shrinks the ISCO and photon sphere, reduces QNM damping, and adds a canonical-ensemble stable phase.

  5. Digit anomalies in the hadronic mass spectrum, classical and quantum information entropies, and the dynamical QCD scale

    hep-ph 2025-11 conditional novelty 4.0 of 10

    The first digits of PDG hadron masses deviate strongly from Benford's law, and the paper reads the resulting Shannon-entropy deficit as a signature of Lambda_QCD.

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