Study of Terahertz Wave Propagation in Carbon Nanotube Arrays Based on the Symplectic Formulation

ZHANG Yu; DENG Zi-chen; ZHAO Peng

doi:10.21656/1000-0887.370164

Volume 37 Issue 9

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ZHANG Yu, DENG Zi-chen, ZHAO Peng. Study of Terahertz Wave Propagation in Carbon Nanotube Arrays Based on the Symplectic Formulation[J]. Applied Mathematics and Mechanics, 2016, 37(9): 889-900. doi: 10.21656/1000-0887.370164

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Study of Terahertz Wave Propagation in Carbon Nanotube Arrays Based on the Symplectic Formulation

doi: 10.21656/1000-0887.370164

School of Mechanics and Civil.& Architecture, Northwestern Polytechnical University,Xi’an 710072, P.R.China

Funds: The National Natural Science Foundation of China(11372252)

Received Date: 2016-05-25
Rev Recd Date: 2016-07-01
Publish Date: 2016-09-15

Abstract

Abstract

With the effective medium model, the properties of terahertz wave propagation in the periodic arrays of carbon nanotubes were investigated. In view of the nonlocal quasistatic model, the relative permittivity was derived. The symplectic formulation was used to solve the eigenvalue problem of the electromagnetic wave propagation in the periodic arrays of carbon nanotubes and the dispersion relation was obtained. The properties of electromagnetic wave propagation in arrays of vertical and tilted carbon nanotubes were given through the numerical calculation. The numerical simulation shows that the effective medium model without nonlocal spatial dispersion gives results in good agreement with those from the electrodynamical model at the frequencies within the terahertz range, thus the spatial dispersion can be ignored. The research makes a theoretical reference for the design of the propagation devices for terahertz waves.
- terahertz wave,
- symplectic geometry,
- carbon nanotube array,
- nonlocal spatial dispersion

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References(27)

References

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