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Spin transitions in an incompressible liquid Coulomb-coupled to a quantum dot

Apalkov, V. M. ; Chakraborty, T. ; Schüller, Christian
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Date of publication of this fulltext: 05 Aug 2009 13:32


We report on our investigation of the low- lying energy spectra and charge density of a two-dimensional quantum Hall liquid at v=2/5 that is Coulomb-coupled to a quantum dot. The dot contains a hole and two/three electrons. We found that any external perturbation caused by the close proximity of the quantum dot locally changes the spin polarization of the incompressible liquid. The effect ...


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