https://doi.org/10.1140/epjc/s10052-022-11125-y
Regular Article - Theoretical Physics
Shadow, lensing, quasinormal modes, greybody bounds and neutrino propagation by dyonic ModMax black holes
1
Physics Department, Mapúa University, 658 Muralla St., Intramuros, 1002, Manila, Philippines
2
Dipartimento di Fisica “E.R Caianiello”, Universit degli Studi di Salerno, Via Giovanni Paolo II, 13284084, Fisciano, SA, Italy
3
Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Salerno, Sezione di Napoli, Via Giovanni Paolo II, 13284084, Fisciano, SA, Italy
4
Physics Department, Eastern Mediterranean University, via Mersin 10, 99628, Famagusta, North Cyprus, Turkey
Received:
29
August
2022
Accepted:
11
December
2022
Published online:
21
December
2022
Motivated by recent work on the Modified Maxwell (ModMax) black holes [Phys Lett B 10.1016/j.physletb.2020.136011], which are invariant in duality rotations and conformal transformations founded in [Phys Rev D 10.1103/PhysRevD.102.121703], we probe its effects on the shadow cast, weak field gravitational lensing, and neutrino propagation in its vicinity. Using the EHT data for the shadow diameter of Sgr. A* and M87*, and LIGO/VIRGO experiments for the dyonic ModMax black hole perturbations, we find constraints for ModMax parameters such as 
and the screening factor 
. We also analyze how the shadow radius behaves as perceived by a static observer and one that is comoving with the cosmic expansion. The effect of the ModMax parameters is constant for a static observer, and we found That it varies when the observer is comoving with cosmic expansion. We also analyzed its effect on the weak deflection angle by exploiting the Gauss–Bonnet theorem and its application to Einstein ring formation. We also consider the finite distance effect and massive particle deflection. Our results indicate that the far approximation of massive particle gives the largest deflection angle and amplifies the effect of and . Then we also calculate the quasinormal modes and greybody bounds which encode unique characteristic features of the dyonic ModMax black hole. With the advent of improving space technology, we reported that it is possible to detect the deviation caused through the shadow cast, Einstein rings, quasinormal modes, and neutrino oscillations.
© The Author(s) 2022
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