2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18027A brief review of recent advances in neutron scattering studies of low-dimensional quantum magnets is followed by a particular example. The separation of single-particle and continuum states in the weakly-coupled $S=1/2$ chains system BaCu2Si2O7 is described in some detail.4 figuresStrongly Correlated Electronstext