arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2202.13992cond-mat.stat-mechq-bio.QM
收藏

集体电动机驱动运输的动力学和热力学界限

Dynamic and thermodynamic bounds for collective motor-driven transport

Matthew P. Leighton, David A. Sivak

摘要:

分子马达集体工作,在细胞内运输货物,从一个到几百个马达牵引一个货物。对于一个广泛的集体运输系统,我们使用随机热力学的工具,推导出一个新的下限的熵产生率比第二定律更严格。这意味着新的边界的速度,效率和精度的一般运输系统和一组解析帕累托边界相同的电机。在一个特定的模型中,我们确定这些帕累托边界饱和的条件。

英文摘要:

Molecular motors work collectively to transport cargo within cells, with anywhere from one to several hundred motors towing a single cargo. For a broad class of collective-transport systems, we use tools from stochastic thermodynamics to derive a new lower bound for the entropy production rate which is tighter than the second law. This implies new bounds on the velocity, efficiency, and precision of general transport systems and a set of analytic Pareto frontiers for identical motors. In a specific model, we identify conditions for saturation of these Pareto frontiers.

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。

↑