No superradiance for the scalar field in the BTZ black hole with reflexive boundary conditions
L. Ort\'iz
TL;DR
This paper demonstrates that superradiance does not occur for a real scalar field in the rotating BTZ black hole when boundary conditions at infinity are reflective.
Contribution
It provides a proof that superradiance is absent in the BTZ black hole under specific boundary conditions, clarifying the conditions for superradiance.
Findings
No superradiance for real scalar fields in BTZ black holes with reflective boundary conditions.
Boundary conditions at infinity critically influence superradiance phenomena.
The result clarifies the role of boundary conditions in black hole superradiance.
Abstract
We show that there is no superradiance in the rotating BTZ black hole for vanishing boundary conditions at infinity for the real scalar field
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