教師資料查詢 | 類別: 期刊論文 | 教師: 周子聰 Zicong Zhou (瀏覽個人網頁)

標題:Curvature Induced Discontinuous Transition for Semiflexible Biopolymers
學年102
學期2
出版(發表)日期2014/04/01
作品名稱Curvature Induced Discontinuous Transition for Semiflexible Biopolymers
作品名稱(其他語言)
著者Zhou, Zicong; Lin, Fang-ting; Hung, Chin-yi; Wu, Hao-Yun; Chen, Bo-Hen
單位淡江大學物理學系
出版者Tokyo: Institute of Pure and Applied Physics
著錄名稱、卷期、頁數Journal of the Physical Society of Japan 83, 044802(8pages)
摘要We study the effect of an intrinsic curvature on the mechanical property of two-dimensional semiflexible biopolymers and find that it can induce a discontinuous transition in extension. At zero temperature, we accurately show that the extension of an intrinsically curved semiflexible biopolymer of finite length can undergo a multiple-step discontinuous transition regardless of bending rigidity. The transition is accompanied by unwinding loops, and the critical force reaches a limit quickly with decreasing number of loops so that, in the experiment, it is possible to observe the almost simultaneous opening of several loops. However, the fluctuation or configurational average at a finite temperature suppresses the sharp transition so that there is no discontinuous transition in a system of finite size. However, our results obtained from Monte Carlo simulation reveal that, at a finite temperature, the extension of a biopolymer can undergo a one-step first-order transition in the thermodynamical limit if the biopolymer has a sufficiently large bending rigidity. The critical force increases with increasing intrinsic curvature or bending rigidity.
關鍵字
語言英文(美國)
ISSN0031-9015;1347-4073
期刊性質國外
收錄於SCI
產學合作
通訊作者周子聰
審稿制度
國別日本
公開徵稿
出版型式電子版;紙本
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