Le séminaire a lieu le Mercredi
27 juin 2001 de 16h15 à 17h15
dans la salle de réunion
du PHC (Observatoire de Nice).
Spiral Turbulence in Exitable Media.
R. Pandit
Center of Condensed Matter theory
Departement of Physics
Indian Institute of Science (Bangalore,
India).
Spiral patterns, often turbulent, are found in sereval excitable media.
In this talk I will summarise our studies of such turbulence in two models:
(a) the first is a model for the oxidation of CO on Pt (110);
(b) the second is a model for ventricular fibrillation,
a type of heart attack that is responsible for one out of every six deaths in USA.
I will also describe our recent suggestion for a method of controlling such turbulence,
which has obvious implications for defibrillation.