Noise-enhanced phase synchronization in excitable media

Citation
A. Neiman et al., Noise-enhanced phase synchronization in excitable media, PHYS REV L, 83(23), 1999, pp. 4896-4899
Citations number
51
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
0031-9007 → ACNP
Volume
83
Issue
23
Year of publication
1999
Pages
4896 - 4899
Database
ISI
SICI code
0031-9007(199912)83:23<4896:NPSIEM>2.0.ZU;2-8
Abstract
We study the response of one- and two-dimensional excitable media to extern al spatiotemporal noise in terms of synchronization. The media are modeled by a finite-size lattice of locally coupled non-identical units of the Fitz Hugh-Nagumo type driven by additive noise. We show that at nonzero noise le vel the behavior of the system becomes extremely ordered which is manifeste d by entrainment of the mean frequencies and by stochastic phase locking of distant oscillators in the lattice.