IFIMAR 20926
INSTITUTO DE INVESTIGACIONES FISICAS DE MAR DEL PLATA
Unidad Ejecutora - UE
artículos
Título:
Noise-sustained synchronization in a FitzHugh-Nagumo ring with electrical phase-repulsive coupling
Autor/es:
M. G. DELL'ERBA, G. CASCALLARES, A. D. SÁNCHEZ Y G. G. IZÚS
Revista:
EUROPEAN PHYSICAL JOURNAL B - CONDENSED MATTER
Editorial:
SPRINGER
Referencias:
Lugar: Amsterdan; Año: 2014 vol. 87 p. 1 - 7
ISSN:
1434-6028
Resumen:
We study the dynamical response under local noise of an excitable ring of FitzHugh-Nagumo units coupled through nearest-neighbor phase-repulsive electric synapses. The system is externally, adiabatically driven by a weak subthreshold periodic signal and independent Gaussian white noises. By varying the coupling strength and the noise intensity, two routes to noise-sustained synchronization are numerically observed and elucidated in terms of the system?s non-equilibrium potential. In particular, the threshold noise intensity for synchronization is theoretically predicted and numerically confirmed.
