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The renormalized charged scalar current in the Reissner-Nordström-de Sitter spacetime
Published 13 Apr 2021 in gr-qc | (2104.06005v2)
Abstract: We perform a Hadamard point-split renormalization of the current density $j_\nu$ of a charged scalar field in a Reissner-Nordstr\"om-de Sitter spacetime. We compute numerically the expectation values of the components $j_r$ and $j_t$ in the Unruh state in the exterior region and study their dependence on the field parameters and the position.
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