Rare events, action minimization, and sharp interface limits

Rare events, action minimization, and sharp interface limits
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罕见事件、行动最小化和尖锐的接口限制

DOI:
10.1090/crmp/044/15
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发表时间:
2008
期刊:
J. Comput. Phys.
影响因子:
--
通讯作者:
Maria G. Westdickenberg
Maria G. Westdickenberg
中科院分区:
--
文献类型:
--
作者:
Maria G. Westdickenberg

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估计罕见事件的概率和机制是一个与物理相关、在数学上很有趣的问题。聚焦于与“受限切换事件”相关的问题,我们描述了与经典Arrhenius图的不同之处,以及如何将动作最小化用作一种工具。作为一个具体的例子,我们转向随机Allen-Cahn方程,并解释了最近关于作用问题的标度和尖锐界面极限的结果。
Estimating the probability of and mechanism for rare events is a physically relevant and mathematically interesting question. Focussing on issues related to “constrained switching events,” we describe differences from the classical Arrhenius picture and how action minimization can be used as a tool. As a specific example, we turn to the stochastic Allen-Cahn equation and explain recent results for the scaling of the action problem and the sharp interface limit.
DOI: --
发表时间: 2007
期刊: Indiana University Math. Journal 56
影响因子: --
作者:
Westdickenberg;Maria
通讯作者: Maria