Propagation of a Solitary Fission Wave

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Osborne, A. G.
Recktenwald, G. D.
Deinert, M. R.

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Reaction-diffusion phenomena are encountered in an astonishing array of natural systems. Under the right conditions, self stabilizing reaction waves can arise that will propagate at constant velocity. Numerical studies have shown that fission waves of this type are also possible and that they exhibit soliton like properties. Here, we derive the conditions required for a solitary fission wave to propagate at constant velocity. The results place strict conditions on the shapes of the flux, diffusive, and reactive profiles that would be required for such a phenomenon to persist, and this condition would apply to other reaction diffusion phenomena as well. Numerical simulations are used to confirm the results and show that solitary fission waves fall into a bistable class of reaction diffusion phenomena. (C) 2012 American Institute of Physics. []


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Osborne, A. G., G. D. Recktenwald, and M. R. Deinert. "Propagation of a solitary fission wave." Chaos: An Interdisciplinary Journal of Nonlinear Science, Vol. 22, No. 2 (Jun., 2012): 023148.