THE EFFECT OF PRESSURE ON THE MAGNETO-ABSORPTION IN NARROW-GAP SEMICONDUCTORS

The paper obtains the dependence of the oscillations in the joint density of states of hydrostatic pressure in semiconductors with non-parabolic dispersion law and compares the oscillation of the joint density of states for the photon energy at different pressures in non-parabolic and parabolic zones. The method is applied to the research of the magnetic absorption in narrow-gap semiconductors with non-parabolic dispersion law. A new method for studying the influence of high pressures on the Landau levels in a semiconductor with a nonparabolic dispersion law is developed. The experimental results were interpreted using a joint density of states in a strong magnetic field. The theoretical results are compared with experimental results obtained for InN.

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