Abstract
Modification of the theory describing the current-voltage characteristics of the shielded Corbino disk with spinless two-dimensional (2D) electron system under a magnetic field for nearly integer filling factors in the case of a weak pulling electric field (i.e., its energy being much lower than the cyclotron energy) is suggested. Features of the I-V characteristics in the limits of “pure” and “dirty” 2D electron system are considered. The results are compared with experimental data. Local parameters characterizing the disk with flowing current that can be measured via a linear electrooptical effect (distribution of the 2D electron density, and electric and electrochemical potentials) are determined.
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