2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148187We study the continuum limit of the spin-1 chain in the non-Abelian bosonization approach of Affleck and show that the Hamiltonian of integrable spin-1 chain yields the Lagrangian of supersymmetric sine-Gordon model in the zero lattice spacing limit. We also show that the quantum group generators of the spin-1 chain give non-local charges of the supersymmetric sine-Gordon theory.10 pages, LaTeX, YITP/K-987High Energy Physics - TheoryCondensed MatterContinuum Limit of Spin-1 Chain (the only change is added references)text