A de Sitter-core black hole with parameters M0 and R exhibits lowered quasinormal frequencies, stronger greybody suppression, reduced Hawking temperature, and a mildly smaller shadow relative to Schwarzschild.
All” static” spherically symmet- ric perfect fluid solutions of einstein’s equations with constant equation of state parameter and finite polynomial” mass function”
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Signatures of a de Sitter-core black hole in ringing, transmission and optical appearance
A de Sitter-core black hole with parameters M0 and R exhibits lowered quasinormal frequencies, stronger greybody suppression, reduced Hawking temperature, and a mildly smaller shadow relative to Schwarzschild.