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

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タイトル: Signal propagation and failure in one-dimensional FitzHugh-Nagumo equations with periodic stimuli
著者: Yanagita, T. 著作を一覧する
Nishiura, Yasumasa 著作を一覧する
Kobayashi, R. 著作を一覧する
発行日: 2005年 3月30日
出版者: The American Physical Society
誌名: Physical Review E
巻: 71
開始ページ: 036226
出版社 DOI: 10.1103/PhysRevE.71.036226
抄録: 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 (URI): http://www.aps.org/
資料タイプ: article
URI: http://hdl.handle.net/2115/5427
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 西浦 廉政

 

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