Aharonov-Bohm-Type Oscillations of Thermopower in a Quantum Dot Ring Geometry

Details Aharonov-Bohm-Type Oscillations of Thermopower in a Quantum Dot Ring Geometry Aharonov-Bohm-Type Oscillations of Thermopower in a Quantum Dot Ring Geometry

1996-09-20

arxiv.org/abs/cond-mat/9609199v1

Phys. Rev. B 55, 4069 (1997)

Physics

Condensed Matter

Revtex, 5 figures included

Scientific paper

10.1103/PhysRevB.55.4069

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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