Cyclotron resonance study of the two-dimensional electron layers and double layers in tilted magnetic fields

The far-infrared absorption in two-dimensional electron layers subject to magnetic field of general orientation was studied theoretically. The Kubo formula is employed to derive diagonal components of the magneto-conductivity tensor of two-dimensional electron single- and double layers. The parabolic quantum well is used to model a simple single-layer system. Both single- and double-layer systems can be realized in a pair of tunnel-coupled, strictly two-dimensional quantum wells. Obtained results are compared to experimental data.