Effect of noise and structural inhomogeneities in reaction-diffusion media

Saverio Morfu (1) , Patrick Marquié (1)

1 Le2i - Laboratoire Electronique, Informatique et Image [UMR6306]

We investigate the pinning and depinning condition of a kink in both homogeneous and inhomogeneous reaction-diffusion media. We show that structural inhomogeneities hinder information propagation whereas noise enhances propagation.

Domaines: Science non linéaire [physics]; Formation de Structures et Solitons [nlin.PS]

Saverio Morfu, Patrick Marquié. Effect of noise and structural inhomogeneities in reaction-diffusion media. International journal of bifurcation and chaos in applied sciences and engineering , 2007, pp.3721-3724. ⟨10.1142/S0218127407019639⟩. ⟨hal-00649825⟩