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Comment on ``Critical behavior of a two-species reaction-diffusion problem''

Hans-Karl Janssen
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Abstract

In a recent paper, de Freitas et al. [Phys. Rev. E 61, 6330 (2000)] presented simulational results for the critical exponents of the two-species reaction-diffusion system A + B -> 2B and B -> A in dimension d = 1. In particular, the correlation length exponent was found as ν= 2.21(5) in contradiction to the exact relation ν= 2/d. In this Comment, the symmetry arguments leading to exact critical exponents for the universality class of this reaction-diffusion system are concisely reconsidered.

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Hans-Karl Janssen. 2000-07-24. Comment on ``Critical behavior of a two-species reaction-diffusion problem''. https://doi.org/10.1103/physreve.64.058101

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