Violation of Cluster Decomposition and Absence of Light-Cones in Local Integer and Half-Integer Spin Chains

L. Dell'Anna, O. Salberger, L. Barbiero +2

We compute the ground state correlation functions of an exactly solvable chain of integer spins, recently introduced in [R. Movassagh and P. W. Shor, arXiv:1408.1657], whose ground…