Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2004-11-18
Phys. Rev. E 71 (2005) 066209
Nonlinear Sciences
Pattern Formation and Solitons
15 pages Tex file with 11 postscript figures. Resubmitted to Phys. Rev. E
Scientific paper
10.1103/PhysRevE.71.066209
An anisotropic (dichroic) optical cavity containing a self-focusing Kerr medium is shown to display a bifurcation between static --Ising-- and moving --Bloch-- domain walls, the so-called nonequilibrium Ising-Bloch transition (NIB). Bloch walls can show regular or irregular temporal behaviour, in particular, bursting and spiking. These phenomena are interpreted in terms of the spatio-temporal dynamics of the extended patterns connected by the wall, which display complex dynamical behaviour as well. Domain wall interaction, including the formation of bound states is also addressed.
de Valcarcel German J.
Espinosa Victor
Perez-Arjona Isabel
Roldan Eugenio
Sanchez-Morcillo Victor J.
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