2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/156974We present the Casimir energy of spherical shell, for the symmetrically deformed scalar field in $κ$-Minkowski space-time, satisfying Dirichlet boundary condition. The Casimir energy shows the particle anti-particle symmetry contrary to the asymmetrically deformed case. In addition, the deformation effect starts from $O(1/κ)$ term unlike in the parallel plates.4 pagesHigh Energy Physics - Theorytext