Extremal black hole
= Extremal black hole
{wiki}
An extremal black hole lies at the parameter bound where its inner and outer horizons coincide. Its <surface gravity> and hence its semiclassical <Hawking temperature> vanish.
= Extremal black hole
{wiki}
An extremal black hole lies at the parameter bound where its inner and outer horizons coincide. Its <surface gravity> and hence its semiclassical <Hawking temperature> vanish.