Coulomb blockade oscillations of conductance in the regime of strong tunneling

Details Coulomb blockade oscillations of conductance in the regime of strong tunneling Coulomb blockade oscillations of conductance in the regime of strong tunneling

1995-05-09

arxiv.org/abs/cond-mat/9505035v1

Physics

Condensed Matter

Revtex, 8 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.75.709

We study the transport through a quantum dot coupled to two leads by single-mode point contacts. The linear conductance is calculated analytically as a function of a gate voltage and temperature T in the case when transmission coefficients of the contacts are close to unity. As a function of the gate voltage, the conductance shows Coulomb blockade oscillations. At low temperatures, the off-resonance conductance vanishes as T^2, in agreement with the theory of inelastic co-tunneling. Near a resonance, the low-energy physics is governed by a multi-channel Kondo fixed point.

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