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Anomalous diffusion and elastic mean free path in disorder-free multiwalled carbon nanotubes

Wang, Shidong ; Grifoni, Milena ; Roche, S.
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Date of publication of this fulltext: 18 Sep 2009 08:10


Abstract

We explore the nature of anomalous conduction of wave packets in disorder-free incommensurate multiwalled carbon nanotubes. The spectrum-averaged diffusion exponent is obtained by calculating the multifractal dimension of the energy spectrum. Depending on the shell chirality, the exponent is found to lie within the range 1/2<=eta<1. For large unit-cell mismatch between incommensurate shells, eta ...

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