Faraday rotation in graphene

We study magneto--optical properties of monolayer graphene by means of quantum field theory methods in the framework of the Dirac model. We reveal a good agreement between the Dirac model and a recent experiment on giant Faraday rotation in cyclotron resonance. We also predict other regimes when the effects are well pronounced. The general dependence of the Faraday rotation and absorption on various parameters of samples is revealed both for suspended and epitaxial graphene.Comment: 10 pp; v2: typos corrected and references added, v3, v4: small changes and more reference

FIR properties of II-VI semimagnetic semiconductors with iron

The FIR transmission and reflectivity data for ZnFeSe and CdFeTe mixed crystals are presented. The absorption originating from optical transitions between electronic levels of the ground Fe ion term (5E) is discussed