2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17768We establish the phase diagram of the one-dimensional anisotropic Kondo lattice model at T=0 using a generalized two-dimensional classical Coulomb gas description. We analyze the problem by means of a renormalization group (RG) treatment. We find that the phase diagram contains regions of paramagnetism, partial and full ferromagnetic order.Final version to appear in Physical Review LettersStrongly Correlated Electronstext