Excitation Spectra of Circular, Few-Electron Quantum Dots-Reference-Cited by-同舟云学术

Excitation Spectra of Circular, Few-Electron Quantum Dots

Published:1997-12-05 Issue:5344 Volume:278 Page:1788-1792
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Kouwenhoven L. P.¹²³,Oosterkamp T. H.¹²³,Danoesastro M. W. S.¹²³,Eto M.¹²³,Austing D. G.¹²³,Honda T.¹²³,Tarucha S.¹²³

Affiliation:

1. L. P. Kouwenhoven, T. H. Oosterkamp, M. W. S. Danoesastro, Department of Applied Physics and Delft Institute of MicroElectronics and Submicrontechnology, Delft University of Technology, Post Office Box 5046, 2600 GA Delft, Netherlands.

2. M. Eto, Department of Physics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223, Japan.

3. D. G. Austing, T. Honda, S. Tarucha, NTT Basic Research Laboratories, 3-1, Morinosoto Wakamiya, Atsugi-shi, Kanagawa 243-01, Japan.

Abstract

Studies of the ground and excited states in semiconductor quantum dots containing 1 to 12 electrons showed that the quantum numbers of the states in the excitation spectra can be identified and compared with exact calculations. A magnetic field induces transitions between the ground and excited states. These transitions were analyzed in terms of crossings between single-particle states, singlet-triplet transitions, spin polarization, and Hund's rule. These impurity-free quantum dots allow “atomic physics” experiments to be performed in magnetic field regimes not accessible for atoms.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference26 articles.

1. Ashoori R. C., Nature 379, 413 (1996).

2. For a review see L. P. Kouwenhoven et al. Proceedings of the Advanced Study Institute on Mesoscopic Electron Transport Curaçao 25 June to 5 July 1996 (Series E Kluwer Dordrecht Netherlands in press). Also available on the World Wide Web at .

3. D. G. Austing T. Honda S. Tarucha Semicond. Sci. Technol. 11 212 (1996).

4. Shell Filling and Spin Effects in a Few Electron Quantum Dot

5. M. Alonso and E. J. Finn Quantum and Statistical Physics (Addison-Wesley Reading MA 1968).

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