Spiral wave formation in three-dimensional excitable media

被引：57

作者：

Amemiya, T

Kadar, S

Kettunen, P

Showalter, K

机构：

[1] Department of Chemistry, West Virginia University, Morgantown, WV

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.77.3244

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A mechanism for the generation of spiral waves in three-dimensional excitable media is described. Experiments using the photosensitive Belousov-Zhabotinsky reaction shaw that circular or spiral waves appear in the wake of a propagating wave following a local perturbation in illumination intensity. The induced waves arise from three-dimensional scroll waves striking the upper boundary of the excitable medium. Spiral waves,ur. formed over a range of illumination intensities and perturbation times which place the induced wave in the vulnerable region of the refractory wave back.

引用

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页码：3244 / 3247

页数：4

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