Two-dimensional electron liquid with disorder in a weak magnetic field

Original · EN

We present the effective theory for low energy dynamics of a two-dimensional interacting electrons in the presence of a weak short-range disorder and a weak perpendicular magnetic field, the filling factor ν≫ 1. We investigate the exchange enhancement of the g-factor, the effective mass and the decay rate of the simplest spin wave excitations at ν= 2 N + 1. We obtain the enhancement of the field-induced gap in the tunneling density of states and dependence of the tunneling conductivity on the applied bias.