Nagai Ken H
School of Materials Science, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa 923-1292, Japan.
Biophys Physicobiol. 2018 Feb 9;15:51-57. doi: 10.2142/biophysico.15.0_51. eCollection 2018.
Self-propelled rods, which propel by themselves in the direction from the tail to the head and align nematically through collision, have been well-investigated theoretically. Various phenomena including true long-range ordered phase with the Giant number fluctuations, and the collective motion composed of many vorices were predicted using the minimal mathematical models of self-propelled rods. Using filamentous bacteria and running microtubules, we found that the predicted phenomena by the minimal models occur in the real world. This strongly indicates that there exists the unified description of self-propelled rods independent of the details of the systems. The theoretically predicted phenomena and the experimental results concerning the phenomena are reviewed.
自推进杆能够自行从尾部向头部方向推进，并通过碰撞实现向列排列，对此已经进行了深入的理论研究。利用自推进杆的最小数学模型预测了各种现象，包括具有巨数涨落的真正长程有序相以及由许多涡旋组成的集体运动。通过丝状细菌和运行中的微管，我们发现最小模型预测的现象在现实世界中确实存在。这有力地表明，存在一种独立于系统细节的自推进杆统一描述。本文综述了理论预测的现象以及关于这些现象的实验结果。
