弯曲涡旋波的丝张力和锁相漂移
Filament tension and phase-locked drift of meandering scroll waves
摘要：
旋转涡卷波是在许多振荡或可激发系统中发现的自组织模式。在这里，我们表明，准周期性（蜿蜒）滚动波，其中包括转子组织心律失常，表现出丝张力时，平均在蜿蜒周期。然而，对于强灯丝曲率或中等厚度梯度，涡卷波动力学由锁相漂移而不是灯丝张力控制。我们的研究结果在摆线弯曲的计算模型和具有线性核心的心脏组织模型中得到了验证。
英文摘要：
Rotating scroll waves are self-organising patterns which are found in many oscillating or excitable systems. Here we show that quasi-periodic (meandering) scroll waves, which include the rotors that organise cardiac arrhythmias, exhibit filament tension when averaged over the meander cycle. With strong filament curvature or medium thickness gradients, however, scroll wave dynamics are governed by phase-locked drift instead of filament tension. Our results are validated in computational models of cycloidal meander and a cardiac tissue model with linear core.
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