Two-point correlation functions of the diffusion-limited annihilation in one dimension

Abstract

Two-point density-density correlation functions for the diffusive binary reaction system $A+A\to \varnothing$ are obtained in one dimension via Monte Carlo simulation. The long-time behavior of these correlation functions clearly deviates from that of a recent analytical prediction of Bares and Mobilia [Phys. Rev. Lett. {\bf 83}, 5214 (1999)]. An alternative expression for the asymptotic behavior is conjectured from numerical data.

8 pages, 3 Postscript figures, revtex style

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