2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27740The excitation spectrum of spin-Peierls antiferromagnets is discussed taking into acount phonon dynamics but treating inter-chain elastic couplings in mean field theory. This gives a ladder of soliton -anti-soliton boundstates, with no soliton continuum, until soliton deconfinement takes place at a transition into a non-dimerized phase.5 pages, Latex, 1 postscript figureCondensed MatterHigh Energy Physics - Theorytext