Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2006-11-20
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
6 pages, 6 figures, submitted to J. Phys. Soc. Jpn
Scientific paper
Thermoelectric power due to coherent electron transmission through a quantum dot is theoretically studied. In addition to the known features related to resonant peaks, we show that a novel significant structure appears between the peaks. This structure arises from the so-called transmission zero, which is characteristic of coherent transmission through several quantum levels. Because of sensitivity to phase-breaking effect in quantum dots, this novel structure indicates degree of coherency in the electron transmission.
Kato Takeo
Nakanishi Takeshi
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