Out-of-time-order correlators in the one-dimensional XY model

Jia-Hui Bao,Cheng-Yong Zhang

Figure 3. The evolution of Czz at zero temperature T = 1/β = 0 with other configurations, as in figure 2. This shows that only the model where (γ = 0, λ = 1) displays vanishing Czz. All other models are not sensitive to temperature.