Computes quasinormal modes via 13th-order WKB with Padé, greybody factors by numerical integration, and Hawking/neutrino spectra for Euler-Heisenberg plus perfect fluid dark matter black holes, finding PFDM increases damping and suppresses transmission while EH effects are weaker.
Neutrino pair an- nihilation (ν¯ν→e −e+) in the presence of quintessence surrounding a black hole,
2 Pith papers cite this work. Polarity classification is still indexing.
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EHT observations of Sgr A* constrain deviations from GR black hole solutions including regular BHs, string-inspired spacetimes, and BH mimickers, with some limits exceeding cosmological bounds.
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Scattering, Hawking Radiation and Neutrino Energy Deposition in Euler-Heisenberg Black Holes Surrounded by Perfect Fluid Dark Matter
Computes quasinormal modes via 13th-order WKB with Padé, greybody factors by numerical integration, and Hawking/neutrino spectra for Euler-Heisenberg plus perfect fluid dark matter black holes, finding PFDM increases damping and suppresses transmission while EH effects are weaker.
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Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$
EHT observations of Sgr A* constrain deviations from GR black hole solutions including regular BHs, string-inspired spacetimes, and BH mimickers, with some limits exceeding cosmological bounds.