Shot Noise with Interaction Effects in Single-Walled Carbon Nanotubes

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Research units

  • Chinese Academy of Sciences


We have measured shot noise in single-walled carbon nanotubes with good contacts at 4.2 K at low frequencies (f=600–850  MHz). 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
Pages (from-to)1-4
Number of pages4
JournalPhysical Review Letters
Issue number15
Publication statusPublished - 2007
MoE publication typeA1 Journal article-refereed

    Research areas

  • CNTs

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