Similar Early Growth of Out-of-time-ordered Correlators in Quantum Chaotic and Integrable Ising Chains *

Hua Yan,Jiao-Zi Wang,Wen-Ge Wang

Fig. 2 (Color online) Variation of $\text{Re} F_{zz}(l,t) = 1-C_{zz}(l, t)$ with the time $t$ in the defect Ising chain under the open boundary condition. Inset: Change of a time scale $t_B$ with the site number $l$.