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Signal propagation and failure in one-dimensional FitzHugh-Nagumo equations with periodic stimuli

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Title: Signal propagation and failure in one-dimensional FitzHugh-Nagumo equations with periodic stimuli
Authors: Yanagita, T.1 Browse this author →KAKEN DB
Nishiura, Yasumasa2 Browse this author →KAKEN DB
Kobayashi, R. Browse this author
Authors(alt): 柳田, 達雄1
西浦, 廉政2
Issue Date: 30-Mar-2005
Publisher: The American Physical Society
Journal Title: Physical Review E
Volume: 71
Start Page: 036226
Publisher DOI: 10.1103/PhysRevE.71.036226
PMID: 15903565
Abstract: We analyze the effect of additive periodic stimuli in one-dimensional FitzHugh-Nagumo equations in an excitable regime. With a suitable stimulus interval, the suppression of the pulse propagation occurs in some parameter regime. This propagation failure comes from the formation of the "death spot" where successive pulses annihilate. In the parameter regime where the solitary pulse cannot propagate in space stably, however, periodic stimuli cause a propagation of envelope of a traveling pulse under a "resonance" condition, i.e., the pulse at the leading edge disappears successively, however, an envelope is formed and propagates with keeping its shape.
Rights: Copyright © 2005 American Physical Society
Relation: http://www.aps.org/
Type: article
URI: http://hdl.handle.net/2115/5427
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 西浦 廉政・柳田 達雄

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