Abstract
A review of activities in the theory of two-dimensional electron systems at the Rzhanov Institute of Semiconductor Physics of the Siberian Branch of the Russian Academy of Sciences is presented. The topics considered in this chapter include: surface scattering of electrons in two-dimensional systems, electron states of charged impurities, two-dimensional electron-impurity systems in a strong magnetic field, photogalvanic effect in two-dimensional systems, electron states in curved low-dimensional systems, and electron and exciton states in graphene. In addition, collective effects in one- and two-dimensional single- and multicomponent systems are analyzed, including plasma waves, Wigner crystallization, and screening. Screening of the electrostatic field by dipole excitons (including their Bose condensate) is considered.
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