Aharonov-Bohm-type oscillations of thermopower in a quantum-dot ring geometry

Ya. M. Blanter, Christoph Bruder, Rosario Fazio, Herbert Schoeller

Type: Article

Publication Date: 1997-02-15

Citations: 52

DOI: https://doi.org/10.1103/physrevb.55.4069

Abstract

We investigate Aharonov-Bohm-type oscillations of the thermopower of a quantum dot embedded in a ring for the case when the interaction between electrons can be neglected. The thermopower is shown to be strongly flux dependent, and typically the amplitude of oscillations exceeds the background value. It is also shown to be essentially dependent on the phase of the scattering matrix, which is determined by the experimental geometry and is not known in the given experiment. Two procedures to compare theory and experiment are proposed.

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Physical review. B, Condensed matter - View
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