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Rotating Black Hole with an Anisotropic Matter Field as a Particle Accelerator

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arxiv 2008.01426 v1 pith:K2LMDBHR submitted 2020-08-04 gr-qc

C.L. Ahmed Rizwan , A. Naveena Kumara , Kartheek Hegde , Md Sabir Ali , Ajith K.M This is my paper · ORCID
classification gr-qc
keywords matteranisotropicblackfieldparticleacceleratorcollisionhole
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Recently, a generalised solution for Einstein equations of a rotating compact body, surrounded by matter field was proposed, which is the Kerr-Newman spacetime with an anisotropic matter. The solution possesses an additional hair, along with the conventional mass, charge and spin, which arises from the negative radial pressure of the anisotropic matter. In this article we show that, this new class of black holes can act as a particle accelerator during the collision of two generic particles in its gravitational field in the ergo-region. The centre of mass energy of the particles shoots to arbitrary high value in the vicinity of event horizon for the extremal black hole. The physical conditions for the collision to take place are obtained by studying the horizon structure and circular particle motion. The results are interesting from astrophysical perspective.

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Cited by 3 Pith papers

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

  1. Charged black holes embedded in matter with anisotropic pressure: Horizon Structure and Quasinormal Mode Spectra

    gr-qc 2026-07 accept novelty 6.5 of 10

    Anisotropic fluid around a charged black hole (Kiselev metric) produces long-lived scalar quasinormal modes, avoided crossings, and spectral reorganization, computed via an extended Leaver method with automatic differ...

  2. Rotating and non-linear magnetic-charged black hole with an anisotropic matter field

    gr-qc 2025-01 conditional novelty 4.0 of 10

    A rotating black hole family with a non-linear magnetic charge and an anisotropic matter field is presented, and its horizons, thermodynamics, and Penrose efficiency are computed.

  3. Perturbations of Black Holes Surrounded by Anisotropic Matter Field

    gr-qc 2024-11 conditional novelty 4.0 of 10

    For a black hole with anisotropic matter hair, quasinormal mode frequencies shift monotonically with the matter strength K, and the shift also appears in shadow radius and grey-body factors.

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