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arXiv 2303.07552hep-th
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双缩放SYK模型单圈修正的关联函数

Correlators of double scaled SYK at one-loop

Kazumi Okuyama, Kenta Suzuki

AI总结:

本文利用弦图与Liouville型有效作用量研究双缩放SYK模型的单圈修正,计算并阐明轻算符两点及时间序四点函数的单圈修正结构,并在单圈水平重现任意温度下时序外四点函数的精确表达式。

摘要:

本文从弦图和Liouville型有效作用量出发,研究SYK模型双缩放极限中的单圈贡献。我们计算并阐明了轻算符的两点函数和时间序四点函数的单圈修正中各组成部分的含义。我们还在单圈水平上重现了任意温度下时序外四点函数的精确表达式,这些表达式此前已通过不同方法计算得到。

英文摘要:

In this paper, we study one-loop contributions in the double-scaling limit of the SYK model from the chord diagrams and Liouville type effective action. We compute and clarify the meaning of each component consisting of the one-loop corrections for the two- and time-ordered four-point functions of light operators. We also reproduce the exact expression of the out-of-time-ordered four-point function at arbitrary temperatures within the one-loop level, which were previously computed from different methods.

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