The renormalized charged scalar current in the Reissner-Nordström-de Sitter spacetime
arXiv:2104.06005 · doi:10.1103/PhysRevD.104.025009
Abstract
We perform a Hadamard point-split renormalization of the current density $j_ν$ of a charged scalar field in a Reissner-Nordström-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.
12 pages, 5 figures, version as accepted for PRD