There was several kinds of methods to calculate carbon nanotube's phonon spectrum and the vibrate density of states.
关于碳纳米管的声子谱及振动态密度的计算方法有好几种。
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Moreover, the influences of the non-nearest neighbor hopping interactions and electron-phonon coupling on the distribution of the charge density and spin density are also discussed.
The results indicate that the electron probability density increases with increasing the electron-LO phonon strong coupling and decreasing the confinement length.