Multiwalled carbon nanotube: Luttinger versus fermi liquid

R. Tarkiainen, M. Ahlskog, J. Penttilä, L. Roschier, P. Hakonen, M. Paalanen, E. Sonin

Research output: Contribution to journalArticleScientificpeer-review

96 Citations (Scopus)
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Abstract

We have measured IV curves of multiwalled carbon nanotubes using end contacts. At low voltages, the tunneling conductance obeys non-Ohmic power law, which is predicted both by the Luttinger liquid and the environment-quantum-fluctuation theories. However, at higher voltages we observe a crossover to Ohm’s law with a Coulomb-blockade offset, which agrees with the environment-quantum-fluctuation theory, but cannot be explained by the Luttinger-liquid theory. From the high-voltage tunneling conductance we determine the transmission line parameters of the nanotubes.
Original languageEnglish
Article number195412
Pages (from-to)1-4
Number of pages4
JournalPhysical Review B
Volume64
Issue number19
DOIs
Publication statusPublished - 2001
MoE publication typeA1 Journal article-refereed

Keywords

  • fermi liquid
  • multiwalled carbon nanotube

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