Disordered electron liquid in double quantum well heterostructures: Renormalization group analysis and dephasing rate

I. S. Burmistrov, I. V. Gornyi, K. S. Tikhonov

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6 Citations (Scopus)

Abstract

We report a detailed study of the influence of the electron-electron interaction on physical observables (conductance, etc.) of a disordered electron liquid in double quantum well heterostructure. We find that even in the case of common elastic scattering off electrons in both quantum wells, the asymmetry in the electron-electron interaction across and within quantum wells decouples them at low temperatures. Our results are in quantitative agreement with recent transport experiments on the gated double quantum well AlxGa 1-xAs/GaAs/AlxGa1-xAs heterostructures.

Original languageEnglish
Article number075338
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume84
Issue number7
DOIs
Publication statusPublished - 17 Aug 2011
Externally publishedYes

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