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.
General Relativistic Augmentation of Neutrino Pair Annihilation Energy Deposition Near Neutron Stars
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abstract
General relativistic calculations are made of neutrino-antineutrino annihilation into electron-positron pairs near the surface of a neutron star. It is found that the efficiency of this process is enhanced over the Newtonian values up to a factor of more than 4 in the regime applicable to Type II supernovae and by up to a factor of 30 for collapsing neutron stars.
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gr-qc 1years
2026 1verdicts
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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.