主动弹性二聚体：在无特征轨道上的自推进和电流反转
Active elastic dimers: self-propulsion and current reversal on a featureless track
摘要：
我们提出了一个布朗尺蠖模型的自我推进的弹性二聚体在没有外部潜力。非平衡噪声与拉伸相关阻尼一起形成推进机制。我们的模型连接了三个关键的非平衡特征--位置-速度相关性、非零平均内力和漂移速度。我们的分析结果，包括惊人的电流反转，比较非常好的数值模拟。该模型结合了DNA解旋酶、振动表面上的极杆、爬行角膜细胞和肌球蛋白VI的推进机制。我们建议实验实现和测试的模型。
英文摘要：
We present a Brownian inchworm model of a self-propelled elastic dimer in the absence of an external potential. Nonequilibrium noise together with a stretch-dependent damping form the propulsion mechanism. Our model connects three key nonequilibrium features -- position-velocity correlations, a nonzero mean internal force, and a drift velocity. Our analytical results, including striking current reversals, compare very well with numerical simulations. The model unifies the propulsion mechanisms of DNA helicases, polar rods on a vibrated surface, crawling keratocytes and Myosin VI. We suggest experimental realizations and tests of the model.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
