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arXiv 1602.03345cond-mat.stat-mech
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守恒质量输运过程中的空间相关性、可加性和涨落

Spatial correlations, additivity and fluctuations in conserved-mass transport processes

Arghya Das, Sayani Chatterjee, Punyabrata Pradhan

摘要:

我们精确地计算了两点空间关联函数在一个广泛的一类守恒质量输运过程,这是由切屑,扩散和合并的质量在稳态。我们发现,空间相关性一般是短程的,因此,在大尺度上,这些守恒质量输运过程在稳态下具有显着的热力学结构。也就是说,该过程有一个平衡的可加性属性,和相应的波动响应关系,这有助于我们获得子系统的质量分布的限制子系统的大小大。

英文摘要:

We exactly calculate two-point spatial correlation functions in steady state in a broad class of conserved-mass transport processes, which are governed by chipping, diffusion and coalescence of masses. We find that the spatial correlations are in general short-ranged and consequently, on a large scale, these conserved-mass transport processes possess a remarkable thermodynamic structure in the steady state. That is, the processes have an equilibriumlike additivity property, and a corresponding fluctuation-response relation, which helps us to obtain subsystem mass distributions in the limit of subsystem size large.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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