The charge transfer via a double helix DNA

doi:10.1088/1009-1963/16/7/043

中国物理B ›› 2007, Vol. 16 ›› Issue (7): 2062-2068.doi: 10.1088/1009-1963/16/7/043

The charge transfer via a double helix DNA

闫循领, 董瑞新

School of Physics Science and Information Engineering, Liaocheng University,Liaocheng 252059, China

收稿日期:2006-11-05 修回日期:2006-12-17 出版日期:2007-07-20 发布日期:2007-07-04
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No 60571062) and the Natural Science Foundation of Shandong Province, China (Grant No Y2004G09).

The charge transfer via a double helix DNA

Yan Xun-Ling(闫循领) and Dong Rui-Xin(董瑞新)

School of Physics Science and Information Engineering, Liaocheng University, Liaocheng 252059, China

Received:2006-11-05 Revised:2006-12-17 Online:2007-07-20 Published:2007-07-04
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No 60571062) and the Natural Science Foundation of Shandong Province, China (Grant No Y2004G09).

摘要/Abstract

摘要： This paper reports a double helix model of charge transfer in DNA molecule. The calculated results show that the transmission characteristics of DNA are not only related to the longitudinal transfer but also to the helicity of molecule. It finds that there are four transmission bands centred at 0.92, 3.07, 7.75 and 8.87eV, also the width and intensity of bands corresponding to the helix direction are less than that of the longitudinal direction. With the increase of hopping energy, transmission bands become wide so that the transmission ability is enhanced.

关键词: DNA, double helix model, charge transfer

Abstract: This paper reports a double helix model of charge transfer in DNA molecule. The calculated results show that the transmission characteristics of DNA are not only related to the longitudinal transfer but also to the helicity of molecule. It finds that there are four transmission bands centred at 0.92, 3.07, 7.75 and 8.87eV, also the width and intensity of bands corresponding to the helix direction are less than that of the longitudinal direction. With the increase of hopping energy, transmission bands become wide so that the transmission ability is enhanced.

Key words: DNA, double helix model, charge transfer

中图分类号: (Reactions and kinetics)

87.15.R-

87.15.B- (Structure of biomolecules)

闫循领, 董瑞新. The charge transfer via a double helix DNA[J]. 中国物理B, 2007, 16(7): 2062-2068.

Yan Xun-Ling(闫循领) and Dong Rui-Xin(董瑞新). The charge transfer via a double helix DNA[J]. Chinese Physics, 2007, 16(7): 2062-2068.

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The charge transfer via a double helix DNA

The charge transfer via a double helix DNA

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