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gr-qc2021★ 1 cited
Light-ring pairs from -discriminantal varieties
Yen-Kheng Lim, Mounir Nisse
When geodesic equations are formulated in terms of an effective potential , circular orbits are characterised by . In this paper we consider the case where …
gr-qc2021
Motion of charged particles around a magnetic black hole/topological star with a compact extra dimension
Yen-Kheng Lim
We study the motion of charged particles in a family of five-dimensional solutions describing either a black hole or topological star with a fifth compact dimension stabilised by a…