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Phys Rev Lett. 2006 Oct 27;97(17):176801. doi: 10.1103/PhysRevLett.97.176801. Epub 2006 Oct 24.

Multiple transitions of the spin configuration in quantum dots.

Physical review letters

M C Rogge, C Fühner, R J Haug

Affiliations

  1. Institut für Festkörperphysik, Universität Hannover, Appelstrasse 2, D-30167 Hannover, Germany. [email protected]

PMID: 17155491 DOI: 10.1103/PhysRevLett.97.176801

Abstract

Single electron tunneling is studied in a many electron quantum dot in high magnetic fields. For such a system multiple transitions of the spin configuration are theoretically predicted. With a combination of spin blockade and Kondo effect we are able to detect five regions with different spin configurations. Transitions are induced with changing electron numbers.

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