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Critical exponents for a dimer–dimer irreversible surface reaction

K.m Khan, K Yaldram, Qamar -ul-Haque and Naeem Ahmed

Physica A: Statistical Mechanics and its Applications, 1999, vol. 267, issue 3, 343-353

Abstract: A dimer–dimer reaction model of the type A2+B2→2AB is investigated by means of computer simulations. The desorption of B2 dimer with probability P is studied. Here we investigate the critical behaviour. The critical exponents of our model do not fall into the Reggeon field theory or directed percolation universality class. The universality class of the reaction changes with changes in P.

Keywords: Reggeon field theory; Directed percolation; ZGB model; Dimer–dimer reaction (search for similar items in EconPapers)
Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:267:y:1999:i:3:p:343-353

DOI: 10.1016/S0378-4371(99)00002-3

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