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arXiv 2004.03978math.PRmath-phmath.MP
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边界驱动排斥中的扩散到超扩散行为

Diffusive to super-diffusive behavior in boundary driven exclusion

Patrícia Gonçalves, Stefano Scotta

摘要:

本文的目的是研究具有长跳跃的对称排它过程在一个特定的临界状态下与无限延伸水库接触的水动力极限。跳跃的转移概率,可以有有限或无限的方差和流体动力学方程是一个扩散方程,在前一种情况下,或分数方程,在后一种情况下。在这项工作中,我们对待的临界情况下,也就是说,当方差是无限的,并与系统的大小几何增长。这是从扩散行为过渡到超扩散行为的情况。

英文摘要:

The purpose of this article is to study the hydrodynamic limit of the symmetric exclusion process with long jumps and in contact with infinitely extended reservoirs for a particular critical regime. The jumps are given in terms of a transition probability that can have finite or infinite variance and the hydrodynamic equation is a diffusive equation, in the former case, or a fractional equation, in the latter case. In this work we treat the critical case, that is, when the variance is infinite and grows logarithmically with the size of the system. This is the case in which there is a transition from diffusive to super-diffusive behavior.

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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