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Dynamical evolution of a scalar field coupling to Einstein’s tensor in the Reissner-Nordström black hole spacetime
We study the dynamical evolution of a scalar field coupling to Einstein's tensor in the background of a Reissner-Nordstr\"om black hole. Our results show that the coupling constant $\ensuremath{\eta}$ imprints in the wave dynamics of a scalar perturbation. In the weak coupling, we find that with the increase of the …