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Spin-dependent exchange and correlation effects on the orbital magnetization of two-dimensional electron systems

Meinel, I. ; Grundler, D. ; Hengstmann, T. ; Heyn, Christian ; Heitmann, Detlef ; Wegscheider, Werner ; Bichler, Max
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Date of publication of this fulltext: 30 Nov 2009 13:17


Abstract

We have investigated the orbital magnetization of tunable two-dimensional electron-systems (2DES) in GaAs/AIGaAs-heterostructures in the magnetic quantum limit using a high-sensitive superconducting susceptometer. In particular we have studied the magnetization at filling factor ν=1, where the 2DES forms the quantum Hall ferromagnet. We extract from our data that the orbital magnetic moment is ...

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