Stochastic PDE limit of the dynamic ASEP
Stochastic PDE limit of the dynamic ASEP
复制标题
动态 ASEP 的随机 PDE 极限
DOI:
10.1007/s00220-020-03905-y
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发表时间:
2020
影响因子:
2.4
通讯作者:
Matetski, Konstantin
中科院分区:
文献类型:
--
作者:
Corwin, Ivan;Ghosal, Promit;Matetski, Konstantin
We study a stochastic PDE limit of the height function of the dynamic asymmetric simple exclusion process (dynamic ASEP). Introduced in Borodin (Symmetric elliptic functions, IRF models, and dynamic exclusion processes, 2017), the dynamic ASEP has a jump parameterand a dynamical parameter. It degenerates to the standard ASEP height function whengoes to 0 or. We consider avery weakly asymmetric regime, i.e. fortending to zero we set. We show that under the parabolic scaling the height function of the dynamic ASEP converges to the solution of the space-time Ornstein–Uhlenbeck (OU) process. We also introduce the dynamic ASEP on a ring with generalized rate functions. Under the very weakly asymmetric scaling, we show that the dynamic ASEP (with generalized jump rates) on a ring also converges to the solution of the space-time OU process on [0, 1] with periodic boundary conditions.
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DOI:
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1987
期刊:
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--
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2002
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DOI:
10.1214/17-aihp829
发表时间:
2016
期刊:
arXiv: Probability
影响因子:
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作者:
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通讯作者:
Li
影响因子:
2.4
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