| Issue |
EPL
Volume 150, Number 1, April 2025
|
|
|---|---|---|
| Article Number | 19002 | |
| Number of page(s) | 6 | |
| Section | Gravitation, cosmology and astrophysics | |
| DOI | https://doi.org/10.1209/0295-5075/adc480 | |
| Published online | 25 April 2025 | |
A note on the Vaidya-Hayward black hole
Department of Physics, Jimei University - 361021, Xiamen, Fujian province, PRC
Received: 24 January 2025
Accepted: 24 March 2025
In view of a defect in the temperature of the Vaidya black hole, we consider a Vaidya-type generalization of the Hayward black hole. Its temperature and radius are obtained by an easy method. The rate of change of the horizon, i.e., 
, is automatically restricted by the black hole itself. Based on the Stefan-Boltzmann law, the maximum value of 
depends on a parameter characterizing quantum gravity effects, and is of the order of 
. When the black hole's mass decreases to the minimum value, the horizon will cease to shrink and the temperature will vanish naturally.
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