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Universal scaling of conserved charge in the stochastic diffusion dynamics

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arxiv 1903.06075 v1 pith:WRAVDR46 submitted 2019-03-14 nucl-th

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keywords chargeconservedcorrelationcriticalcumulantdiffusiondynamicsfunction
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abstract

In this paper, we explore the Kibble-Zurek scaling of the conserved charge, using the stachastic diffusion dynamics. After determining the characteristic scales $\tau_{kz}$ and $l_{kz}$ and properly rescaling the traditional correlation function and cumulant, we construct universal functions for both the two-point correlation function $C(y_1-y_2;\tau)$ and second-order cumulant $K(\Delta y,\tau)$ of the conserved charge in the critical regime, which are insensitive to the initial temperature and a parameter in the mapping between 3D Ising model and the hot QCD system near the critical point.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Comparison between Causal and Acausal Diffusion: a Schwinger-Keldysh Effective Field Theory Perspective

    hep-th 2025-06 conditional novelty 6.0 of 10

    One-loop real-time density correlations in causal diffusion reduce to known acausal results in the overdamped limit and yield a new universal scaling function in the underdamped limit.

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