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Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
; 59(6): 6361-9, 1999 Jun.
Article
in English
| MEDLINE
| ID: mdl-11969621
ABSTRACT
We derive a pair approximation (PA) for the NO+CO model with instantaneous reactions. For both the triangular and square lattices, the PA, derived here using a simpler approach, yields a phase diagram with an active state for CO-fractions y in the interval y(1)