Dynamical solutions for evaporating black holes explore mass changes in dust, highlighting spacetime interactions.
The new dynamical solutions of Einstein’s equations with perfect fluid in spacetimes with FLRW asymptotic behavior, derived recently I. I. Cotăescu [Eur. Phys. J. C 82 (2022) 86; Eur. Phys. J. C 84 (2024) 819; Eur. Phys. J. C 85 (2025) 318], may describe evaporating black holes whose masses dissipate into dust. The time evolution of the black hole and dust masses of simple models of evaporating black holes are studied using analytical and graphical methods.
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Cotăescu et al. (2025) studied this question.
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