Journal
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
Volume 45, Issue 33-36, Pages L963-L965Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/JJAP.45.L963
Keywords
phonon wavepacket; molecular dynamics; carbon nanotube; phonon-defect scattering
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Phonon wavepacket propagation in defective carbon nanotubes has been investigated through molecular dynamics simulations. We have demonstrated that the wavepacket scattering method enable the phonon transmission function of carbon nanotubes to be determined with high accuracy. We have also found that the influence of phonon-defect scattering increases with decreasing tube diameter, especially in the case of high-frequency phonons. These results are in excellent agreement with those obtained by Green's function calculations.
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