2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20549We show that ultracold atoms confined in a quasi-1d trap can be used to study the dissipative spin-boson model with {\it tunable} tunneling splitting and strength of dissipation. It is shown that with realistic parameters this system allows to study the crossover from coherent Rabi dynamics to incoherent tunneling.Condensed Mattertext