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Shadows of 5D Black Holes from String Theory

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arxiv 2008.13478 v1 pith:SZR33HQD submitted 2020-08-31 hep-th gr-qc

A. Belhaj , H. Belmahi , M. Benali , W. El Hadri , H. El Moumni , E. Torrente-Lujan This is my paper · ORCID
classification hep-thgr-qc
keywords blackgeometricalholesnumberrotationshadowsshapesanalyzed
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We study the shadow behaviors of five dimensional (5D) black holes embedded in type IIB superstring/supergravity inspired spacetimes by considering solutions with and without rotations. Geometrical properties as shapes and sizes are analyzed in terms of the D3-brane number and the rotation parameter. Concretely, we find that the shapes are indeed significantly distorted by such physical parameters and the size of the shadows decreases with the brane or "color" number and the rotation. Then, we investigate geometrical observables and energy emission rate aspects.

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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. Stability and Criticality Behaviors of Accelerating Charged AdS Black Holes in Rainbow Gravity

    gr-qc 2025-07 reject novelty 5.0 of 10

    The paper claims a charge-independent critical ratio for accelerating charged AdS black holes in rainbow gravity, but the derivation is internally inconsistent.

  2. Probing Weak-Force Corrections to Black Hole Geometry via Long Range Potentials: Feinberg-Sucher and Ferrer-Nowakowski Potentials

    gr-qc 2025-05 reject novelty 4.0 of 10

    A heuristic model claims neutrino- and boson-mediated forces would shift black hole photon spheres and shadows, with attractive forces enlarging and repulsive forces shrinking them.

  3. Constrained Deflection Angle and Shadows of Rotating Black Holes in Einstein-Maxwell-scalar Theory

    hep-th 2024-11 reject novelty 3.0 of 10

    For rotating Einstein-Maxwell-scalar black holes, the weak-field light deflection angle is decomposed into an Einstein-Maxwell-dilaton part and a part linear in the stringy coupling β, with EHT data favoring β < 0.4 f...

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