Single-species three-particle reactions in one dimension

Benjamin P. Vollmayr-Lee and Melinda M. Gildner
Phys. Rev. E 73, 041103 – Published 20 April 2006

Abstract

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(0̸,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(0̸,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.

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  • Received 2 February 2006

DOI:https://doi.org/10.1103/PhysRevE.73.041103

©2006 American Physical Society

Authors & Affiliations

Benjamin P. Vollmayr-Lee and Melinda M. Gildner

  • Department of Physics and Astronomy, Bucknell University, Lewisburg, Pennsylvania 17837, USA

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Issue

Vol. 73, Iss. 4 — April 2006

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