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Investigating the transport properties of the excitonic state in quasi-Corbino electron bilayers

Tiemann, L. ; Lok, J. G. S. ; Dietsche, W. ; Klitzing, Klaus von ; Muraki, K. ; Schuh, Dieter ; Wegscheider, Werner
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Date of publication of this fulltext: 01 Feb 2010 13:02


Abstract

We investigate two closely spaced 2D electron systems in a quasi-Corbino geometry with independent contacts to both layers. Magneto-transport and drag experiments show that at the systems total filling factor 1 the drive current diminishes with increasing interlayer interaction (parameterized by the ratio of layer separation and magnetic length) while voltages of equal magnitude build up over ...

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