2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109497This is an introduction to elementary decoherence theory as it is typically applied to superconducting qubits.41 pages, 3 figures; submitted to NATO-ASI proceedings "Manipulating quantum coherence in semiconductors and superconductors"Mesoscale and Nanoscale PhysicsSuperconductivitytext