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Spin depolarization in quantum dots

By A.S. Sachrajda, C. Gould, P. Hawrylak, Y. Feng, P. Zawadzki and Z. Wasilewski

Abstract

We have performed single electron spectroscopy experiments on single lateral quantum dots. We demonstrate that the lateral nature of the tunneling as well as the properties of the 2DEG leads can be used to extract new information in the 'spin-flip' regime. Calculations confirm that one needs to go beyond the Hartree-Fock approximation and include correlation effects to explain the experimental observations. The results are found to be consistent with the presence of spin depolarization events at the 'spin-flips'

Publisher: Sociedade Brasileira de Física
Year: 1999
OAI identifier: oai:scielo:S0103-97331999000400006
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