Weak gravitational lensing around dyonic ModMax black hole in plasma

Weak gravitational lensing around dyonic ModMax black hole in plasma

In this study, we examine the effects of weak gravitational lensing and determine the shadow radius around black holes within the Dyonic ModMax (DM) spacetime, also accounting for models with nonuniform plasma distributions. By analyzing various gravitational lens models, we compare corrections to v...

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Veröffentlicht in:Communications in theoretical physics 2024-11, Vol.76 (11), p.115401
Hauptverfasser: Turakhonov, Ziyodulla, Atamurotov, Farruh, Övgün, Ali, Abdujabbarov, Ahmadjon, Urinov, Sunnatillo
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black hole
gravitational lensing
modified gravity
plasma medium
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container_issue 11
container_start_page 115401
container_title Communications in theoretical physics
container_volume 76
creator Turakhonov, Ziyodulla
Atamurotov, Farruh
Övgün, Ali
Abdujabbarov, Ahmadjon
Urinov, Sunnatillo
description In this study, we examine the effects of weak gravitational lensing and determine the shadow radius around black holes within the Dyonic ModMax (DM) spacetime, also accounting for models with nonuniform plasma distributions. By analyzing various gravitational lens models, we compare corrections to vacuum lensing due to gravitational effects within plasma and plasma inhomogeneity, finding that these effects could be observed in hot gas within galaxy clusters. Starting with the orbits of photons around a black hole in DM, we investigate the shadow and weak gravitational lensing phenomena. Utilizing observational data from the Event Horizon Telescope for M87* and SgrA*, we constrain parameters within DM gravity. To connect our findings to observations, we examine the magnification and positioning of lensed images, along with the weak deflection angle and magnification for sources near different galaxies.
doi_str_mv 10.1088/1572-9494/ad6853
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subjects black hole
gravitational lensing
modified gravity
plasma medium
title Weak gravitational lensing around dyonic ModMax black hole in plasma
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