Abstract
In this report different experimental results relevant to determine the density of states in a high magnetic field are summarized: Measurements of the specific heat of GaAs/GaAlAs multilayers reveal clear evidence for a Gaussian-like density of states superimposed on a constant background. Temperature-dependent measurements of the resistivity in the regime of the Hall plateaus confirms the existence of a flat, mobility-dependent background between Landau levels. Magnetization data give evidence of a magnetic field dependence of the Gaussian-like density of states.
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Gornik, E., Seidenbusch, W., Strasser, G. (1987). Thermodynamic and Magneto-Optic Investigations of the Landau Level Density of States for 2D Electrons in GaAs. In: Landwehr, G. (eds) High Magnetic Fields in Semiconductor Physics. Springer Series in Solid-State Sciences, vol 71. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83114-0_29
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DOI: https://doi.org/10.1007/978-3-642-83114-0_29
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