Shadow, quasinormal modes and Hawking radiation of ModMax black holes in a quintessence background
Al-Badawi A. Sekhmani Y. Boshkayev K.
May 2025Elsevier B.V.
Physics of the Dark Universe
2025#48
The modified Maxwell theory (ModMax) is a nonlinear electrodynamics theory with the same symmetries as Maxwell electrodynamics. According to current findings, dark energy makes up a significant part of the universe. In this study, a static spherically symmetric black hole (BH) is simulated with the quintessence matter field and examine the impact of this dark energy. We investigate the metric features of the BH, followed by the effects of the quintessence field as well as the intrinsic parameter of ModMax theory on shadow cast, quasinormal modes, greybody bounds, and Hawking radiation sparsity. We specifically examined the shadow cast by these black holes and derived analytical solutions for both the radius of the photon sphere and the shadow radius. Our findings show that the presence of quintessence and the ModMax parameter have a positive impact on the radii of photon orbits and shadow radius. We then use the 6th order WKB approximation to analyse the QNMs of the ModMax BH solutions scalar and electromagnetic field perturbations. The model parameters affect QNM frequencies. We found that, that quintessence causes scalar and electromagnetic field perturbations to oscillate quicker and decay more slowly. After that we study the greybody factor and Hawking radiation sparsity. We show that, the existence of quintessence field has a positive impact on the transmission probability of Hawking radiation and inspection of Hawkings sparsity reveals particular scenarios depending on the values of ωq.
Hawking radiation , Modified Maxwell theory , Quasinormal modes , Quintessence , Shadow
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Department of Physics, Al-Hussein Bin Talal University, P.O. Box: 20, Maan, 71111, Jordan
Center for Theoretical Physics, Khazar University, 41 Mehseti Street, AZ, Baku, 1096, Azerbaijan
Centre for Research Impact & Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University, Punjab, Rajpura, 140401, India
Al-Farabi Kazakh National University, Al-Farabi av. 71, Almaty, 050040, Kazakhstan
Institute of Nuclear Physics, Ibragimova, 1, Almaty, 050032, Kazakhstan
Kazakh-British Technical University, Tole bi str., 59, Almaty, 050000, Kazakhstan
Department of Physics
Center for Theoretical Physics
Centre for Research Impact & Outcome
Al-Farabi Kazakh National University
Institute of Nuclear Physics
Kazakh-British Technical University
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