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32 papers · 2 filters
Klein-Gordon particles in a quasi-pointlike global monopole spacetime and a Wu-Yang magnetic monopole: invariance and isospectrality
Omar Mustafa
We use two correlated metric functions and transform/deform the pointlike global monopole (PGM) spacetime metric into a quasi-PGM (QPGM) spacetime one. We study Klein-Gordon (KG) p…
Probing Schwarzschild-like Black Holes in Metric-Affine Bumblebee Gravity with Accretion Disk, Deflection Angle, Greybody Bounds, and Neutrino Propagation
G. Lambiase, L. Mastrototaro, Reggie C. Pantig +1
In this paper, we investigate Schwarzschild-like black holes within the framework of metric-affine bumblebee gravity. We explore the implications of such a gravitational setup on v…
Nonspherically-symmetric black hole in Einstein-massless scalar theory
S. Habib Mazharimousavi
We introduce a two-parameter static, nonspherically-symmetric black hole solution in the Einstein theory of gravity coupled with a massless scalar field. The scalar field depends o…
Observational Signatures: Shadow cast by the effective metric of photons for black holes with rational non-linear electrodynamics
Akhil Uniyal, Sayan Chakrabarti, Mohsen Fathi +1
This study explores spherically symmetric non-linear electrodynamics black holes and their effects on light propagation. We derive the governing metric, revealing radial coordinate…
Constraints via the Event Horizon Telescope for Black Hole Solutions with Dark Matter under the Generalized Uncertainty Principle Minimal Length Scale Effect
Ali Övgün, Lemuel John F. Sese, Reggie C. Pantig
Four spherically symmetric but non-asymptotically flat black hole solutions surrounded with spherical dark matter distribution perceived under the minimal length scale effect is de…
Axially Symmetric Exponential Metric
S. Habib Mazharimousavi
We revisit the Yilmaz Exponential Metric (YEM), which was recently shown to describe a traversable wormhole, and construct an axially symmetric generalization strictly within the f…