Time and current dependencies of transport at the v=2/3 phase transition in narrow quantum wells

DOI to cite this document:: 10.5283/epub.11803

Lok, J. G. S. ; Kraus, Stefan ; Stern, O. ; Dietsche, W. ; Klitzing, Klaus von ; Wegscheider, Werner ; Bichler, Max ; Schuh, Dieter

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Date of publication of this fulltext: 11 Jan 2010 13:05

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Abstract

The spin unpolarised to spin polarised v=2/3 phase transition is studied in narrow quantum wells. The phase transition is mapped in the filling factor (ν), density (n)-plane and is well described assuming a Image dependence of the Composite Fermion effective mass. At high currents the huge longitudinal resistance anomaly appears along the phase boundary. A model is presented that treats the ...