2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/163061The purpose of this note is to connect early work on thermal transport in spin-1/2 Heisenberg chains with uniaxial exchange anisotropy and nearest-neighbor interactions that was based on a moment analysis of the Fourier transform of the energy density correlation function with subsequent studies that make use of thermal current correlation functions.6 pages, 10 referencesStrongly Correlated ElectronsStatistical Mechanicstext