| Issue |
EPL
Volume 154, Number 1, April 2026
|
|
|---|---|---|
| Article Number | 19002 | |
| Number of page(s) | 5 | |
| Section | Gravitation, cosmology and astrophysics | |
| DOI | https://doi.org/10.1209/0295-5075/ae58ce | |
| Published online | 16 April 2026 | |
The generalized uncertainty principle and modified black holes
Department of Physics, Jimei University - 361021, Xiamen, Fujian province, PRC
Received: 7 February 2026
Accepted: 30 March 2026
Abstract
This work explores a heuristic connection between modified black holes and the generalized uncertainty principle (GUP). Revisiting Bekenstein's analysis of a particle governed by the GUP and captured by a black hole with undetermined parameters, we find a class of modified Schwarzschild black holes that saturate the Bekenstein-Hawking entropy to the maximum extent. Although curvature singularities cannot yet be definitely ruled out, the modified black holes avoid complete evaporation and end up as zero-temperature remnants. The Hayward black hole is the simplest case, even though it is not the only choice.
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