Strong cosmic censorship in charged black-hole spacetimes: Still subtle

Abstract

It was recently shown that strong cosmic censorship may be violated in highly charged black-hole spacetimes living in a universe with a positive cosmological constant. Several follow-up works have since suggested that such a result, while conceptually interesting, cannot be upheld in practice. We focus here on the claim that the presence of charged massive scalars suffices to save strong cosmic censorship. To the contrary, we show that there still exists a finite region in parameter space where strong cosmic censorship is expected to be violated.