Gap Caused by Strong Pairing in the Ladder Model of DNA Molecules |
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| Authors: | HU Dong-Sheng ZHU Chen-Ping ZHANG Long-Qiang HE Da-Ren WANG Bing-Hong |
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| Affiliation: | Department of Applied Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016College of Physical Science and Technology, Yangzhou University, Yangzhou 225001Department of Modern Physics and Institute of Theoretical Physics, University of Science and Technology of China, Hefei 230026 |
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| Abstract: | By directly diagonalizing the Hamiltonian of the ladder model of deoxyribonucleic acid (DNA) molecules, the density of states is obtained. It is found that DNA behaves as a conductor when the interchain hopping is smaller than twice the intrachain one, otherwise, DNA behaves as a semiconductor. |
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| Keywords: | 71 20 Rv 85 65 +h 87 15 -v |
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