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Modern Problems in Condensed Matter Sciences, Volume 27.1: Landau Level Spectroscopy focuses on the processes, reactions, methodologies, and approaches involved in condensed matter sciences, including semiconductors, resonances, and spectroscopy. The selection first tackles cyclotron resonance and phonon-assisted cyclotron resonance. Discussions focus on absorption coefficient for phonon-assisted transitions, effect of a direct current electric field, cyclotron resonance as a kinetics experiment, and cyclotron resonance in the quantum limit. The manuscript then takes a look at polaron effects in cyclotron resonance and electric-dipole spin resonances. The book examines spin-flip Raman scattering and magnetoplasma effects in IV-VI compounds. Topics include magnetoplasma effects in strained semiconductor layers; magnetoplasma effects in two-dimensional systems; experimental and theoretical results of nonmagnetic semiconductors; and experimental and theoretical results of diluted magnetic semiconductors. The manuscript then surveys the interband magneto-optics of semiconductors as diamagnetic exciton spectroscopy and interband magneto-optics in narrow-gap semiconductors. The selection is a dependable source of information for scientists and readers interested in the Landau level spectroscopy.

Modern Problems in Condensed Matter Sciences, Volume 27.2: Landau Level Spectroscopy focuses on the processes, reactions, methodologies, and approaches involved in condensed matter sciences, including magnetospectroscopy, resonances, electrodynamics, and magnetic fields. The selection first offers information on the magnetospectroscopy of confined semiconductor systems and the magnetophonon effect in two dimensions. Discussions focus on hot-electron magnetophonon resonance, normal resonances, free carrier states, confined impurities, and electron-phonon interaction. The text then takes a look at the energy spectrum and magnetooptics of band-inverting heterojunctions and the electrodynamics of two-dimensional electron systems in high magnetic fields. The publication examines Landau emission and the Shubnikov-de Haas (SdH) effect. Topics include smooth magnetoresistance and SdH effect, Landau level electronic lifetimes, experimental techniques, and Landau emission in III-IV semiconductors. The book then elaborates on a comprehensive review of the experimental aspects of the SdH effect; magnetoimpurity resonances in semiconductor transport; and magnetophonon resonance. The selection is a highly recommended reference for scientists and readers interested in the Landau level spectroscopy.