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Renormalization Group Approach on Nanostructured Systems |
| YAN Xiao-hong1,2;ZHANG Li-de1;DUAN Zhu-ping1,3;YANG Qi-bin2 |
| 1Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031
2Department of Physics, Xiangtan University, Xiangtan 411105
3LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080
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| Cite this article: |
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YAN Xiao-hong, ZHANG Li-de, DUAN Zhu-ping et al 1997 Chin. Phys. Lett. 14 291-294 |
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Abstract The electronic spectra of one-dimensional nanostructured systems are calculated within the pure hopping model on the tight-binding Hamiltonian. By means of the renormalization group Green's function method, the dependence of the density of states on the distributions of nanoscaled grains and the changes of values of hopping integrals in nanostructured systems are studied. It is found that the frequency shifts are dependent rather on the changes of the hopping integrals at nanoscaled grains than the distribution of nanoscaled grains.
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71.20.Ad
61.46.+w
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Published: 01 April 1997
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