Fabry-Pérot Oscillations in Correlated Carbon Nanotubes.
PHYSICAL REVIEW LETTERS(2020)
摘要
We report the observation of an intriguing behavior in the transport properties of nanodevices operating in a regime between the Fabry-Perot and the Kondo limits. Using ultrahigh quality nanotube devices, we study how the conductance oscillates when sweeping the gate voltage. Surprisingly, we observe a fourfold enhancement of the oscillation period upon decreasing temperature, signaling a crossover from single-electron tunneling to Fabry-Nrot interference. These results suggest that the Fabry-Perot interference occurs in a regime where electrons are correlated. The link between the measured correlated Fabry-Perot oscillations and the SU(4) Kondo effect is discussed.
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关键词
correlated carbon nanotubes,carbon nanotubes
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