Deterministic chaos and fractal entropy scaling in Floquet CFT
arXiv:2006.11198 · doi:10.1103/PhysRevB.103.L100302
Abstract
In this paper, we study 2d Floquet conformal field theory, where the external periodic driving is described by iterated logistic or tent maps. These maps are known to be typical examples of dynamical systems exhibiting the order-chaos transition, and we show that, as a result of such driving, the entanglement entropy scaling develops fractal features when the corresponding dynamical system approaches the chaotic regime. For the driving set by the logistic map, fractal contribution to the scaling dominates, making entanglement entropy highly oscillating function of the subsystem size.
arXiv commentv5: affiliations added v4: 13 pages (including Supplemental Material), 19 figures, analysis of the Hausdorff dimensions added, SM extended; see also 2006.10054 and 2006.10072 for fractals in 2d Floquet CFT
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