Single-species three-particle reactions in one dimension

被引：0

作者：

Vollmayr-Lee, Benjamin P. ^{[1
]}

Gildner, Melinda M. ^{[1
]}

机构：

[1] Department of Physics and Astronomy, Bucknell University, Lewisburg

来源：

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics | 2006年 / 73卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevE.73.041103

中图分类号：

学科分类号：

摘要：

Renormalization group calculations for fluctuation-dominated reaction-diffusion systems are generally in agreement with simulations and exact solutions. However, simulations of the single-species reactions 3A→ (0, A,2A) at their upper critical dimension dc =1 have found asymptotic densities argued to be inconsistent with renormalization group predictions. We show that this discrepancy is resolved by inclusion of the leading corrections to scaling, which we derive explicitly and show to be universal, a property not shared by the A+A→ (0, A) reactions. Finally, we demonstrate that two previous Smoluchowski approaches to this problem reduce, with various corrections, to a single theory which surprisingly yields the same asymptotic density as the renormalization group. © 2006 The American Physical Society.

引用

共 15 条

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