Spiral wave annihilation by low-frequency planar fronts in a model of excitable media

被引：8
|
作者：
de la Casa, Miguel A. [1 ]
de la Rubia, F. Javier [1 ]
Ivanov, Plamen Ch. [2 ,3 ,4 ,5 ,6 ]
机构：
[1] Univ Nacl Educ Distancia, Dept Fis Fundamental, E-28080 Madrid, Spain
[2] Brigham & Womens Hosp, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Dept Sleep Med, Boston, MA 02115 USA
[4] Boston Univ, Dept Phys, Boston, MA 02215 USA
[5] Boston Univ, Ctr Polymer Studies, Boston, MA 02215 USA
[6] Bulgarian Acad Sci, Inst Solid State Phys, BU-1784 Sofia, Bulgaria
来源：
EPL | 2009年 / 86卷 / 01期
关键词：
CARDIAC TISSUE; VENTRICULAR-FIBRILLATION; DYNAMICS; EXCITATION; BREAKUP; PROPAGATION; TURBULENCE; VORTEX; ORGANIZATION; ARRHYTHMIAS;
D O I：
10.1209/0295-5075/86/18005
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We perform numerical lattice simulations of an excitable medium. We show that the interaction of a spiral wave with a periodic train of planar fronts leads to annihilation of the spiral wave even when i) the period of the fronts is longer than the period of the spiral and ii) the annihilating fronts are released at a significant distance from the spiral. The observed annihilation is not due to spiral drift, and occurs well inside the lattice. Copyright (C) EPLA, 2009
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页数：5
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