2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/21258In the paper we describe the modification of spin-wave theory for one-dimensional isotropic antiferromagnet. This theory enables to obtain the energy of magnetic excitations of short wave length and correlation function in agreement with numerical studies.8 pages, 2 figuresStrongly Correlated Electronstext