Shot noise with interaction effects in single-walled carbon nanotubes

F. Wu, P. Queipo, A. Nasibulin, T. Tsuneta, T. H. Wang, E. Kauppinen, P. J. Hakonen

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53 Citations (Scopus)


We have measured shot noise in single-walled carbon nanotubes with good contacts at 4.2 K at low frequencies (f=600-850MHz). We find a strong modulation of shot noise over the Fabry-Perot pattern; in terms of the differential Fano factor the variation ranges over 0.4-1.2. The shot noise variation, in combination with differential conductance, is analyzed using two (spin-degenerate) modes with different, energy-dependent transmission coefficients. Deviations from the predictions from Landauer-Buttiker formalism are assigned to electron-electron interactions.

Original languageEnglish
Article number156803
JournalPhysical Review Letters
Issue number15
Publication statusPublished - 11 Oct 2007
Externally publishedYes


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