物理学报Issue(19)：63-69,7.DOI:10.7498/aps.62.190503
随机扰动对螺旋波动力学的影响研究
Study on the effect of stochastic perturbations on the dynamics of spiral wave
摘要
Abstract
The cardiac muscle, which is composed of many discrete cells, is a typical excitable medium. In this paper, we study the effect of refractory period with stochastic perturbations on dynamical behaviors of spiral wave using the model of discrete excitable medium. When the perturbations are random in space, the stability of spiral wave is related to the amplitude of the perturbations and the number of perturbation cells. Computer simulation results show that refractory period perturbations can result in meandering, breakup and disappearance of the spiral waves under suitable conditions, and then their mechanisms are analyzed.关键词
螺旋波/激发介质/随机扰动Key words
spiral wave/excitable media/stochastic perturbation引用本文复制引用
田昌海,邓敏艺..随机扰动对螺旋波动力学的影响研究[J].物理学报,2013,(19):63-69,7.基金项目
国家自然科学基金(批准号:81060307,11365003,11165004,11363003)、铜仁学院科研启动基金(批准号:TS1118)和铜仁市科技计划(批准号:铜仁市科研(2012)63号-13)资助的课题 （批准号:81060307,11365003,11165004,11363003）
