We give an exposition of the SYK model with several new results. A non-local correction to the Schwarzian effective action is found. The same action is obtained by integrating out the bulk degrees of freedom in a certain variant of dilaton gravity. We also discuss general properties of out-of-time-order correlators.
CITATION STYLE
Kitaev, A., & Suh, S. J. (2018). The soft mode in the Sachdev-Ye-Kitaev model and its gravity dual. Journal of High Energy Physics, 2018(5). https://doi.org/10.1007/JHEP05(2018)183
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