AC and DC Conductivities in an n-GaAs/AlAs Heterostructure with a Wide Quantum Well in the Integer Quantum Hall Effect Regime

A. A. Dmitriev, I. L. Drichko, I. Yu. Smirnov +2

The direct-current (dc) ${\sigma }_{xx}^{dc}$ and alternating-current (ac) ${\sigma }_{xx}^{ac}={\sigma }_1-i{\sigma }_2$ conductivities of a wide (46 nm) GaAs quantum well with the bilayer electron density distr…