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题名: Stretching vibration influence of the hydrogen bond on a localized excitation and thermodynamic properties of DNA double helices
作者: Zhang, LY ;  Sun, H ;  Lin, JT
刊名: PHYSICS LETTERS A
出版日期: 1999
卷号: 259, 期号:1, 页码:71-79
关键词: BREATHER TRAPPING MECHANISM ;  DIMENSIONAL ATOMIC CHAIN ;  SOLITARY EXCITATIONS ;  TEMPERATURE ;  SOLITONS ;  MODEL ;  DYNAMICS ;  SUPERCONDUCTIVITY ;  DENATURATION ;  PROTEINS
学科分类: Physics
通讯作者: Zhang, LY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; Tianjin Univ, Dept Appl Phys, Tianjin 300072, Peoples R China
英文摘要: The propagation of a localized excitation and the thermodynamic properties in DNA double helices due to stretching vibration of hydrogen bond are discussed. The stretch of the hydrogen bonds is considered as a nonlinear chain with cubic and quartic potential. The analytic solution of the solitary wave is obtained by using the continuum approximation and its stability has been discussed. With the help of the thermodynamic Green function technique, the temperature and anharmonicity effects on the thermodynamic properties of DNA are investigated. The theoretical calculation of the specific heat in DNA at low temperature is consistent with the experimental result. The numerical simulation of the differential-difference equation shows that the solitary wave is pinned by the lattice. It is also pointed out that the conformational transitions from B-DNA to A-DNA can occur in the case of asymmetry potential with quartic term. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000082005100014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13103
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhang, LY,Sun, H,Lin, JT. Stretching vibration influence of the hydrogen bond on a localized excitation and thermodynamic properties of DNA double helices[J]. PHYSICS LETTERS A,1999,259(1):71-79.
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