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	Global noise and oscillations in clustered excitable media
	Liao, X. L. ; Jung, P.（ Ohio Univ, Dept Phys & Astron） ; Shuai, J. W.（Xiamen Univ, Dept Phys） ; Shuai JW(帅建伟)
	2009-04
关键词	bifurcation fluctuations noise oscillations reaction-diffusion systems stochastic processes
英文摘要	We study the effects of global noise on waves in heterogeneous, spatially clustered, reaction-diffusion systems with possible applications to calcium signaling. We first discuss how clustering of the excitability determines the dynamics by shifting bifurcation points and creating new oscillatory solutions. We then consider the specific situation, where intrinsic noise, due to the smallness of the excitable patches, destroys the global oscillatory state. We show that additional small global fluctuations, however, can partially restore temporal and spatial coherence of the oscillatory signal.; U. S. National Science Foundation of China [IOS-0744798, 10775114]
语种	英语
出版者	AMER PHYSICAL SOC
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1103/PhysRevE.79.041923]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Liao, X. L.,Jung, P.,Shuai, J. W.,et al. Global noise and oscillations in clustered excitable media[J],2009.
APA	Liao, X. L.,Jung, P.,Shuai, J. W.,&帅建伟.(2009).Global noise and oscillations in clustered excitable media..
MLA	Liao, X. L.,et al."Global noise and oscillations in clustered excitable media".(2009).

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