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We explore the Kibble-Zurek scaling of conserved charge using stochastic diffusion dynamics.The characteristic scales τKZ and lKZ are determined and used to properly rescale the traditional correlation function and cumulant.We construct universal functions for the two-point correlation C(y1-y2;τ)and the second-order cumulant K(△y,τ)of the conserved charge in the critical regime,both of which are,near the critical point,insensitive to both the initial temperature and a parameter in the mapping between the 3 D Ising model and the hot QCD system. 相似文献
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