The Thermopower of Quantum Chaos
S. F. Godijn, S. Moeller, H. Buhmann, L. W. Molenkamp, S. A. van Langen
Abstract
The thermovoltage of a chaotic quantum dot is measured using a current heating technique. The fluctuations in the thermopower as a function of magnetic field and dot shape display a non-Gaussian distribution, in agreement with simulations using Random Matrix Theory. We observe no contributions from weak localization or short trajectories in the thermopower.
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