2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/29316Using its Conformal Field Theory description, the Luttinger liquid is coupled to the quantum electromagnetic field. We compute the decoherence properties of a superposition of two states obtained by creating the same elementary excitation at different places in the system.5 pages, 1 figure, Invited talk at XXXIVth Rencontres de Moriond 1999 (Quantum Physics at Mesoscopic Scale) Jan 23-30, 1999. To appear in the proceedings of the conferenceStrongly Correlated ElectronsMesoscale and Nanoscale Physicstext