2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91462An expression for the Casimir stress on arbitrary dispersive and lossy linear magnetodielectric matter at finite temperature, including left-handed material, is derived and applied to spherical systems. To cast the relevant part of the scattering Green tensor for a general magnetodielectric sphere in a convenient form, classical Mie scattering is reformulated.6 pages, no figuresQuantum Physicstext