Metal-insulator transition in disordered 2DEG including temperature effects

Details Metal-insulator transition in disordered 2DEG including temperature effects Metal-insulator transition in disordered 2DEG including temperature effects

1998-10-27

arxiv.org/abs/cond-mat/9810357v2

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, RevTeX + epsf, 5 figures

Scientific paper

10.1103/PhysRevB.59.7255

We calculate self-consistently the mutual dependence of electron correlations and electron-defect scattering for a two dimensional electron gas at finite temperature. We employ an STLS approach to calculate the electron correlations while the electron scattering rate off Coulombic impurities and surface roughness is calculated using self-consistent current-relaxation theory. The methods are combined and self-consistently solved. We discuss a metal-insulator transition for a range of disorder levels and electron densities. Our results are in good agreement with recent experimental observations.

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