Gap Caused by Strong Pairing in the Ladder Model of DNA Molecules
HU Dong-Sheng1, ZHU Chen-Ping1, ZHANG Long-Qiang1, HE Da-Ren2, WANG Bing-Hong3
1Department of Applied Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 2100162College of Physical Science and Technology, Yangzhou University, Yangzhou 2250013Department of Modern Physics and Institute of Theoretical Physics, University of Science and Technology of China, Hefei 230026
Gap Caused by Strong Pairing in the Ladder Model of DNA Molecules
HU Dong-Sheng1;ZHU Chen-Ping1;ZHANG Long-Qiang1;HE Da-Ren2;WANG Bing-Hong3
1Department of Applied Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 2100162College of Physical Science and Technology, Yangzhou University, Yangzhou 2250013Department of Modern Physics and Institute of Theoretical Physics, University of Science and Technology of China, Hefei 230026
摘要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.
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.
HU Dong-Sheng;ZHU Chen-Ping;ZHANG Long-Qiang;HE Da-Ren;WANG Bing-Hong. Gap Caused by Strong Pairing in the Ladder Model of DNA Molecules[J]. 中国物理快报, 2008, 25(5): 1822-1824.
HU Dong-Sheng, ZHU Chen-Ping, ZHANG Long-Qiang, HE Da-Ren, WANG Bing-Hong. Gap Caused by Strong Pairing in the Ladder Model of DNA Molecules. Chin. Phys. Lett., 2008, 25(5): 1822-1824.
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2008, Vol. 25 
