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A Large Conductivity Change in 2DES on Liquid 4He Under CR Conditions

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Abstract

We present the first magneto-conductivity measurements on a two-dimensional electron system on liquid 4He under cyclotron resonance conditions. The measurements are performed in the temperature region above 1K, where the scattering with helium-gas atoms is the dominant scattering mechanism. We observe a large change in the magnetoconductivity at the resonant magnetic field. When increasing the power of the radiation, we observe subsequently a decrease and an increase in the normalised inverse conductivity \(\frac{{\sigma _0 }}{{\sigma _{x{\kern 1pt} x} }}\) We think this power dependence can be understood in terms of hot electron effects.

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Authors and Affiliations

  1. Grenoble High Magnetic Field Laboratory, Max-Planck-Institut für Festkörperforschung, Centre National de la Recherche Scientifique, B.P. 166, F-38042, Grenoble Cedex 9, France

    F.C. Penning, O. Tress, H. Bluyssen & P. Wyder

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  1. F.C. Penning
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  2. O. Tress
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  3. H. Bluyssen
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  4. P. Wyder
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Penning, F., Tress, O., Bluyssen, H. et al. A Large Conductivity Change in 2DES on Liquid 4He Under CR Conditions. Journal of Low Temperature Physics 110, 185–190 (1998). https://doi.org/10.1023/A:1022543607641

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