2004
DOI: 10.1103/physreve.69.036126
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Reaction front in anA+BCreaction-subdiffusion process

Abstract: We study the reaction front for the process A + B → C in which the reagents move subdiffusively. Our theoretical description is based on a fractional reaction-subdiffusion equation in which both the motion and the reaction terms are affected by the subdiffusive character of the process. We design numerical simulations to check our theoretical results, describing the simulations in some detail because the rules necessarily differ in important respects from those used in diffusive processes. Comparisons between … Show more

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Cited by 315 publications
(212 citation statements)
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“…The case m = n = 1 has been studied by Yuste et al [20]. In the case of normal diffusion, it is known that the width of the reaction zone grows with time as W r ∼ t 1/6 , while the width of the depletion zone, where the concentrations of components A and B are small, grows as W d ∼ t 1/2 .…”
Section: Models For Subdiffusion-limited Reactionsmentioning
confidence: 98%
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“…The case m = n = 1 has been studied by Yuste et al [20]. In the case of normal diffusion, it is known that the width of the reaction zone grows with time as W r ∼ t 1/6 , while the width of the depletion zone, where the concentrations of components A and B are small, grows as W d ∼ t 1/2 .…”
Section: Models For Subdiffusion-limited Reactionsmentioning
confidence: 98%
“…1, the models of subdiffusion-reaction systems can be divided into two groups. The first group of models [19], [20], which are appropriate for subdiffusion-limited reactions, have the structure…”
Section: Models For Subdiffusion-limited Reactionsmentioning
confidence: 99%
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“…In the last decade, fractional models, because of their ability to model anomalous transport phenomena, have attracted considerable interest and have played a very important role in various fields of science and engineering. Recently, a growing number of works by many authors from various fields, such as system biology (see [2]), physics (see [4]), chemistry and biochemistry (see [3]), finance (see [5]), hydrology (see [6]) and thermodynamics (see [8]), deal with dynamical systems described by fractional differential equations. Fractional-order models provide an excellent instrument for describing the memory and hereditary properties of various processes.…”
Section: Introductionmentioning
confidence: 99%