Thermopower in Quantum Dots

  • K. A. Matveev
Conference paper
Part of the Lecture Notes in Physics book series (LNP, volume 547)


At relatively high temperatures the electron transport in single electron transistors in the Coulomb blockade regime is dominated by the processes of sequential tunneling. However, as the temperature is lowered the cotunneling of electrons becomes the most important mechanism of transport. This does not affect significantly the general behavior of the conductance as a function of the gate voltage, which always shows a periodic sequence of sharp peaks. However, the shape of the Coulomb blockade oscillations of the thermopower changes qualitatively. Although the thermopower at any fixed gate voltage vanishes in the limit of zero temperature, the amplitude of the oscillations remains of the order of 1/e.


Fermi Level Gate Voltage Electron Tunnel Electrostatic Energy Tunneling Barrier 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • K. A. Matveev
    • 1
  1. 1.Department of PhysicsDuke UniversityDurhamUSA

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