confluent Heun equation 1geodesic scattering 1higher-dimensional black holes 1hypergeometric functions 1massive particle scattering 1MST formalism 1post-Newtonian expansion 1radial action 1scalar perturbations 1Seiberg-Witten curves 1spherically symmetric spacetimes 1
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gr-qc2024
Scalar waves in a Topological Star spacetime: self-force and radiative losses
Massimo Bianchi, Donato Bini, Giorgio Di Russo
We study the radiated energy by a scalar particle moving on a circular orbit (smeared in the extra dimension) in the spacetime of a topological star, extending a previous study [Ph…
gr-qc2024
Scalar perturbations in a Top-Star spacetime
Massimo Bianchi, Donato Bini, Giorgio Di Russo
We discuss the dynamics of a (neutral) test particle in Topological Star spacetime undergoing scattering processes by a superposed test radiation field, a situation that in a 4D bl…