Regularization dependence of the OTOC. Which Lyapunov spectrum is the physical one?
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DOI: 10.1007/jhep07(2019)107
Abstract: A bstractWe study the contour dependence of the out-of-time-ordered correlation function (OTOC) both in weakly coupled field theory and in the Sachdev-Ye-Kitaev (SYK) model. We show that its value, including its Lyapunov spectrum, depends sensitively… read more here.
Keywords: lyapunov; time; otoc; weakly coupled ... See more keywords