Bistable helices

被引：91

作者：

Goldstein, RE ^{[1
]}

Goriely, A

Huber, G

Wolgemuth, CW

机构：

[1] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[2] Univ Arizona, Program Appl Math, Tucson, AZ 85721 USA

[3] Univ Arizona, Dept Math, Tucson, AZ 85721 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.84.1631

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We extend elasticity theory of filaments to encompass systems, such as bacterial flagella, that display competition between two helical structures of opposite chirality. A general, fully intrinsic formulation of the dynamics of bend and twist degrees of freedom is developed using the natural frame of space curves, spanning from the inviscid limit to the viscously overdamped regime applicable to cellular biology. Aspects of front propagation found in flagella are discussed.

引用

收藏

页码：1631 / 1634

页数：4

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