2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/127482This paper has been withdrawn due to errors found by authors. A correct version of this paper is published in: Tomasz M. Rusin, Wlodek Zawadzki, "Quantum theory of symmetric screening in the Hartree approximation", Phys. stat. sol. (b) 243, 1286-1295 (2006), DOI: 10.1002/pssb.200541204.This paper has been withdrawnMaterials ScienceOther Condensed MatterPlasma Physicstext