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arXiv 1703.00697hep-thhep-lathep-ph
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空间威尔逊圈失平衡的普适自相似标度

Universal self-similar scaling of spatial Wilson loops out of equilibrium

J. Berges, M. Mace, S. Schlichting

摘要:

我们研究了非阿贝尔等离子体的强关联平衡。基于数值模拟,我们建立了空间威尔逊圈时间演化的自相似标度性质,它表征了远离平衡态的物质的普遍状态。最值得注意的是,它表现出一个广义面积定律,该定律适用于足够大的空间面积比和时间的分数次方。通过对高动量微扰区的计算,我们可以用两个独立的普适指数和相应的标度函数来刻画SU(2)和SU(3)对称等离子体从短到大的距离标度的非热标度性质.

英文摘要:

We investigate strongly correlated non-Abelian plasmas out of equilibrium. Based on numerical simulations, we establish a self-similar scaling property for the time evolution of spatial Wilson loops that characterizes a universal state of matter far from equilibrium. Most remarkably, it exhibits a generalized area law which holds for sufficiently large ratio of spatial area and fractional power of time. Performing calculations also for the perturbative regime at higher momenta, we are able to characterize the full nonthermal scaling properties of SU(2) and SU(3) symmetric plasmas from short to large distance scales in terms of two independent universal exponents and associated scaling functions.

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