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5 papers · 1 filter
Motions of spinning particles and chaos bound in Reissner-Nordström spacetime
Chuang Yang, Deyou Chen, Yongtao Liu
Previous research showed that the chaos bound proposed in \cite{MSS} can be violated under specific conditions within the scalar fields surrounding black holes. In this paper, we e…
Bounds on the photon sphere radius for spherically symmetric black holes in n-dimensional Einstein gravity
Yong Song, Jiaqi Fu, Yiting Cen
The photon sphere, a hypersurface of null circular geodesics, plays a fundamental role in characterizing black hole spacetimes, influencing phenomena such as black hole shadows, gr…
Robust topological invariants of timelike circular orbits for spinning test particles in black hole spacetimes
Yong Song, Jiaqi Fu, Yiting Cen
The spin-curvature coupling in the Mathisson-Papapetrou-Dixon (MPD) formalism induces non-geodesic motion, shifting the orbital parameters of spinning test particles in black hole…
Quasi-local studies of the particle surfaces and their stability in general spacetimes
Yong Song, Chuanyu Zhang
In this paper, enlightened by the definition of the photon surface given by Claudel, Virbhadra and Ellis, we give a quasi-local definition of the particle surface. From this defini…
Classical and quantum analysis of 3D electromagnetic pp-wave spacetime
T. Pailas, N. Dimakis, A. Karagiorgos +3
The general classical solution of the 3D electromagnetic pp-wave spacetime has been obtained. The relevant line element contains an arbitrary essential function providing an infini…