Competing channels in single-electron tunneling through a quantum dot

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  • Max Planck Institute for Solid State Research (MPI-FKF)
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Original languageEnglish
Pages (from-to)4019-4022
Number of pages4
JournalPhysical review letters
Volume71
Issue number24
Publication statusPublished - 1 Jan 1993
Externally publishedYes

Abstract

Coulomb blockade effects are investigated in lateral transport through a quantum dot defined in a two-dimensional electron gas. Tunneling through excited states of the quantum dot is observed for various tunneling barriers. It is shown that transport occurring via transitions between ground states with different numbers of electrons can be suppressed by the occupation of excited states. Measurements in a magnetic field parallel to the current give evidence for tunneling processes involving states with different spin.

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Competing channels in single-electron tunneling through a quantum dot. / Weis, J.; Haug, R. J.; Klitzing, K. V. et al.
In: Physical review letters, Vol. 71, No. 24, 01.01.1993, p. 4019-4022.

Research output: Contribution to journalArticleResearchpeer review

Weis J, Haug RJ, Klitzing KV, Ploog K. Competing channels in single-electron tunneling through a quantum dot. Physical review letters. 1993 Jan 1;71(24):4019-4022. doi: 10.1103/PhysRevLett.71.4019
Weis, J. ; Haug, R. J. ; Klitzing, K. V. et al. / Competing channels in single-electron tunneling through a quantum dot. In: Physical review letters. 1993 ; Vol. 71, No. 24. pp. 4019-4022.
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