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Zhou, ZC; Wang, YT; Zhou, ZC (reprint author), Tamkang Univ, Dept Phys, New Taipei, Taiwan.
Thermal properties of a two-dimensional intrinsically curved semiflexible biopolymer
Source PublicationCHINESE PHYSICS B
Language英语
KeywordThermal Property Semiflexible Biopolymer Intrinsic Curvature
AbstractWe study the behaviors of mean end-to-end distance and specific heat of a two-dimensional intrinsically curved semiflexible biopolymer with a hard-core excluded volume interaction. We find the mean square end-to-end distance R-N(2) proportional to N-beta at large N, with N being the number of monomers. Both beta and proportional constant are dependent on the reduced bending rigidity kappa and intrinsic curvature c. The larger the c, the smaller the proportional constant, and 1.5 >= beta >= 1. Up to a moderate kappa = kappa(c), or down to a moderate temperature T = T-c, beta = 1.5, the same as that of a self-avoiding random walk, and the larger the intrinsic curvature, the smaller the kappa(c). However, at a large kappa or a low temperature, beta is close to 1, and the conformation of the biopolymer can be more compact than that of a random walk. There is an intermediate regime with 1.5 > beta > 1 and the transition from beta = 1.5 to beta = 1 is smooth. The specific heat of the system increases smoothly with increasing k or there is no peak in the specific heat. Therefore, a nonvanishing intrinsic curvature seriously affects the thermal properties of a semiflexible biopolymer, but there is no phase transition in the system.
2017
Volume26Issue:3Pages:38701
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/1674-1056/26/3/038701
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22116
CollectionSCI期刊论文
Corresponding AuthorZhou, ZC (reprint author), Tamkang Univ, Dept Phys, New Taipei, Taiwan.
Recommended Citation
GB/T 7714
Zhou, ZC,Wang, YT,Zhou, ZC . Thermal properties of a two-dimensional intrinsically curved semiflexible biopolymer[J]. CHINESE PHYSICS B,2017,26(3):38701.
APA Zhou, ZC,Wang, YT,&Zhou, ZC .(2017).Thermal properties of a two-dimensional intrinsically curved semiflexible biopolymer.CHINESE PHYSICS B,26(3),38701.
MLA Zhou, ZC,et al."Thermal properties of a two-dimensional intrinsically curved semiflexible biopolymer".CHINESE PHYSICS B 26.3(2017):38701.
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