2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28133The manuscript presents an overview of recent developments in theory of multiple Andreev reflections in Josephson junctions with arbitrary transparency and arbitrary quasiparticle dispersion in the electrodes.11 pages, 4 figures includedSuperconductivityMesoscale and Nanoscale PhysicsTheory of ac Josephson effect and noise in superconducting constrictionstext