“School of Nano-Sciences”
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| Paper IPM / Nano-Sciences / 13279 |
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| Abstract: | |
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The extinction spectra of a single-walled carbon nanotube are investigated, within the framework of the vector wave function method in conjunction with the hydrodynamic model. Both polarizations of the incident plane wave (TE and TM with respect to the x-z plane) are treated. Electronic excitations on the nanotube surface are modeled by an infinitesimally thin layer of a two-dimensional electron gas represented by two interacting fluids, which takes into account the different nature of the r and p electrons. Numerical results show that strong interaction between
the fluids gives rise to the splitting of the extinction spectra into two peaks in quantitative agreement with the p and r þ p plasmon energies
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