2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/156047We show the full large deviation principle for KMS-states and $C^*$-finitely correlated states on a quantum spin chain. We cover general local observables. Our main tool is Ruelle's transfer operator method.Mathematical PhysicsLarge Deviations in Quantum Spin Chaintext