# Out-of-Time-Order Correlators in One-Dimensional XY model

@inproceedings{Bao2019OutofTimeOrderCI, title={Out-of-Time-Order Correlators in One-Dimensional XY model}, author={Jiahui Bao and Cheng-yong Zhang}, year={2019} }

We study out-of-time-order correlators (OTOC) in XY model, including both local and nonlocal ones. Considering the presence of anisotropic parameter $\gamma$ and magnetic field $\lambda$, we mainly focus on their influences on OTOC in thermodynamical limit. We study the whole evolution of all possible OTOC, and find their evolution is dependent of ($\gamma, \lambda$). In the early time, it exhibits universal $t^2$ growth when $\lambda\ne1$. And the $t^{-1/4}$ late-time decay found in quantum… CONTINUE READING

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