Artículos de revistas
First passage time on pattern formation in a non-local Fisher population dynamics
Fecha
2013-12Registro en:
Fuentes, Miguel Angel; Caceres Garcia Faure, Manuel Osvaldo; First passage time on pattern formation in a non-local Fisher population dynamics; De Gruyter; Central European Journal of Physics; 11; 12; 12-2013; 1623-1628
1895-1082
Autor
Fuentes, Miguel Angel
Caceres Garcia Faure, Manuel Osvaldo
Resumen
We use stochastic dynamics to develop the patterned attractor of a non?local extended system. This is done analytically using the stochastic path perturbation approach scheme, where a theory of perturbation in the small noise parameter is introduced to analyze the random escape of the stochastic field from the unstable state. Emphasis is placed on the specific mode selection that these types of systems exhibit. Concerning the stochastic propagation of the front we have carried out Monte Carlo simulations which coincide with our theoretical predictions.