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Electron–phonon coupling in carbon nanotubes
Author(s) -
Machón M.,
Reich S.,
Thomsen C.
Publication year - 2006
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200669149
Subject(s) - coupling (piping) , phonon , carbon nanotube , electron , mode coupling , mode (computer interface) , materials science , condensed matter physics , chirality (physics) , atomic physics , physics , nanotechnology , quantum mechanics , composite material , chiral symmetry breaking , quark , computer science , nambu–jona lasinio model , operating system
Knowledge of electron–phonon coupling is essential for the understanding of many properties of carbon nanotubes. We present a comparative study of the coupling of electrons to totally symmetric phonons: the radial‐breathing mode and the high‐energy mode. The coupling of the high‐energy mode is stronger than of the radial‐breathing mode by a factor of ≈6. In both cases the matrix elements depend on chirality, diameter, family, and transition energy. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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