Electronic Resource
Springer
Journal of statistical physics
10 (1974), S. 379-390
ISSN:
1572-9613
Keywords:
Fluctuations
;
nonequilibrium steady states
;
nonlinear chemical kinetics
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract We study fluctuations around nonequilibrium steady states of some model nonlinear chemical systems. A previous result of Nicolis and Prigogine states that the mean square fluctuation computed from a master equation in the space of internal states of the reacting species is identical to that calculated from Einstein's fluctuation formula. Our analysis of fluctuations based on that master equation leads with the assumption of local equilibrium to a result identical to that obtained from a master equation for the total concentration of the reacting species, which is different from the equilibrium (Einstein relation) result. Nicolis and Prigogine approximated one term in their master equation, and a discussion of this approximation is presented. The master equation without this approximation yields at equilibrium the result expected on the basis of Einstein's formula.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01008800
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