Superspiral structures of meandering and drifting spiral waves.
The spatiotemporal superstructure of meandering and drifting spiral waves is explained analytically. It is also demonstrated that the Hopf eigenmode that causes the transition to meandering waves is weakly exponentially localized at onset but grows exponentially slightly before onset.
Sandstede
B
B
Department of Mathematics, The Ohio State University, 231 West 18th Avenue, Columbus, Ohio 43210, USA.
Scheel
A
A
D000818:Animals; D004301:Doppler Effect; D006321:Heart / Q000502:physiology; D006352:Heart Ventricles; D008962:Models, Theoretical; D017711:Nonlinear Dynamics