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Universal scaling of the sigma field and net-protons from Langevin dynamics of model A

机译:模型A的Langevin动态的Sigma字段和Net-Protons的通用缩放

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In this paper, we investigate the Kibble-Zurek scaling of the sigma field and net-protons within the framework of Langevin dynamics of model A. After determining the characteristic scales tau(KZ), l(Kz), and theta(KZ) and properly rescaling the traditional cumulants, we construct universal functions for the sigma field and approximate universal functions for net-protons in the critical regime, which are insensitive to the relaxation time and the chosen evolving trajectory. Besides, the oscillating behavior for the higher order cumulants of net-protons near the critical point is also drastically suppressed, which converge into approximate universal curves with these constructed Kibble-Zurek functions.
机译:在本文中,我们在模型A的Langevin动态框架内调查了Sigma字段和净质子的基布Zurek缩放。确定特征尺度Tau(KZ),L(KZ)和θ(KZ)和 正确重新划分传统累积剂,我们构建了Sigma字段的通用功能,以及临界制度中的净质子的近似通用功能,这对松弛时间和所选的演化轨迹不敏感。 此外,在临界点附近的净质子的高阶累积物的振荡行为也大幅抑制,这与这些构造的kibble-zurek功能汇集成近似通用曲线。

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