期刊
PHYSICS LETTERS A
卷 353, 期 5, 页码 372-377出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2005.12.107
关键词
pacemaker; coherence resonance; synchronization; cellular array
We study effects of additive noise on a pacemaker driven excitable cellular array. We find that the subthreshold periodic pacemaker can largely enhance noise-induced synchrony in the array already at very small noise intensities. The phenomenon is tested for robustness against various diffusion coefficients and system sizes. Results are discussed in view of their biological importance. (c) 2006 Elsevier B.V. All rights reserved.
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