On the possibility of generalized wormhole formation in the galactic halo due to dark matter using the observational data within the matter coupling gravity formalism

G Mustafa, SK Maurya, S Ray - The Astrophysical Journal, 2022 - iopscience.iop.org
In this article, we find the possibility of generalized wormhole formation in the galactic halo
due to dark matter using observational data within the matter coupling gravity formalism …

No-hair theorem in the wake of Event Horizon Telescope

M Khodadi, G Lambiase, DF Mota - Journal of Cosmology and …, 2021 - iopscience.iop.org
Thanks to the release of the extraordinary EHT image of shadow attributed to the M87*
supermassive black hole (SMBH), we have a novel window to assess the validity of …

Relativistic wormhole surrounded by dark matter halos in symmetric teleparallel gravity

G Mustafa, SK Maurya, S Ray - Fortschritte der Physik, 2023 - Wiley Online Library
In this article we study the wormhole geometry in the galactic halo region under modified f
(Q) f(Q) gravity, especially symmetric teleparallel gravity, where the nonmetricity scalar QQ …

[HTML][HTML] Non-local gravity wormholes

S Capozziello, N Godani - Physics Letters B, 2022 - Elsevier
Abstract We consider Non-local Gravity in view to obtain stable and traversable wormhole
solutions. In particular, the class of Non-local Integral Kernel Theories of Gravity, with the …

[HTML][HTML] Ricci inverse gravity wormholes

G Mustafa - Physics Letters B, 2024 - Elsevier
The current study deals with the new wormhole solutions in the background of fourth order
new modified Ricci inverse gravity. Two new classes of the wormhole solutions are analyzed …

Light ring behind wormhole throat: Geodesics, images, and shadows

H Huang, J Kunz, J Yang, C Zhang - Physical Review D, 2023 - APS
The geodesics of the Ellis-Bronnikov wormhole with two parameters are studied. The
asymmetric wormhole has only one light ring and one innermost stable circular orbit located …

[HTML][HTML] Cylindrical wormholes and electromagnetic field

M Yousaf, MZ Bhatti, Z Yousaf - Nuclear Physics B, 2023 - Elsevier
In this manuscript, we study the construction of static cylindrically symmetric thin shell
wormhole models with an electric charge in the background of f (R, T) gravity. We utilized …

Twin peak quasi‐periodic oscillations and stability via thin‐shell formalism of traversable wormholes in symmetric teleparallel gravity

G Mustafa, X Gao, F Javed - Fortschritte der Physik, 2022 - Wiley Online Library
This article explores the wormhole geometry in the background of symmetric teleparallel
gravity or f (Q) f(Q) gravity, where QQ is the non‐metricity term, and definite subject for the …

Einstein-Æther gravity in the light of event horizon telescope observations of M87

M Khodadi, EN Saridakis - Physics of the Dark Universe, 2021 - Elsevier
We investigate Einstein-Æther gravity in light of the recent Event Horizon Telescope (EHT)
observations of the M87*. The shape and size of the observed black hole shadow contains …

Static and spherically symmetric wormholes in metric-affine theories of gravity

V De Falco, S Capozziello - Physical Review D, 2023 - APS
We consider static and spherically symmetric wormhole solutions in extended metric-affine
theories of gravity supposing that stability and traversability of these objects can be achieved …