Enhanced Diffusion in a Model of Molecular Motors with Potential Switching
Enhanced Diffusion in a Model of Molecular Motors with Potential Switching
复制标题
具有电位切换的分子马达模型中的增强扩散
DOI:
10.1142/s0219477519400054
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发表时间:
2019
影响因子:
1.8
通讯作者:
Ryota Shinagawa and Kazuo Sasaki
中科院分区:
文献类型:
--
作者:
S. Watanabe;K. Miyake;細谷知輝,伊藤孝寛,仲武昌史,出田真一郎,田中清尚,垣花将司,播磨尚朝,辺土正人,仲間隆男,大貫惇睦;Ryota Shinagawa and Kazuo Sasaki
Diffusion enhancement is a phenomenon in which the diffusion coefficient of a system is increased by an external force and it becomes larger than that of the force-free diffusion in thermal equilibrium. It is known that this phenomenon occurs for a Brownian particle in a periodic potential under a constant external force. Recently, it was found that diffusion enhancement also occurred in a biological molecular motor, whose moving part could move itself by switching the potentials generated by the other parts. It was shown that the diffusion coefficient exhibited peaks as a function of a constant external force. Here, we report the occurrence of an additional peak and investigate the condition governing its appearance.