TY  - JOUR
A1  - Zaks, Michael A.
A1  - Tomov, Petar
T1  - Onset of time dependence in ensembles of excitable elements with global repulsive coupling
T2  - Physical review : E, Statistical, nonlinear and soft matter physics
N2  - We consider the effect of global repulsive coupling on an ensemble of identical excitable elements. An increase of the coupling strength destabilizes the synchronous equilibrium and replaces it with many attracting oscillatory states, created in the transcritical heteroclinic bifurcation. The period of oscillations is inversely proportional to the distance from the critical parameter value. If the elements interact with the global field via the first Fourier harmonics of their phases, the stable equilibrium is in one step replaced by the attracting continuum of periodic motions.
Y1  - 2016
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/45618
SN  - 2470-0045
SN  - 2470-0053
VL  - 93
PB  - American Physical Society
CY  - College Park
ER  -