Yayınlanmış 25 Ocak 2024 | Sürüm v1
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The null circular geodesic outside the spherically symmetric asymptotically flat hairy black hole is not stable

Oluşturanlar

  • 1. Department of Physics, Faculty of Arts and Sciences, Eastern Mediterranean University, Famagusta, North Cyprus via Mersin 10, Türkiye

Açıklama

In this study, we explicitly prove that the null circular orbit outside the spherically symmetric asymptotically flat hairy black hole is not stable. Although, if there is more than one external light ring at least one of them is stable. The existence of such geodesics has been proved in the recent work of Hod as well as Peng whereas its stability was left uncommented.

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