Quantum Magnetoconductance of the Two-Dimensional Electron Gas on a Liquid Helium Surface | Zendy

M. C. M. van de Sanden | Zendy; R. W. van der Heijden | Zendy; A.T.A.M. de Waele | Zendy; H.M. Gijsman | Zendy

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Quantum Magnetoconductance of the Two-Dimensional Electron Gas on a Liquid Helium Surface

Author(s) -

M. C. M. van de Sanden,

R. W. van der Heijden,

A.T.A.M. de Waele,

H.M. Gijsman

Publication year - 1987

Publication title -

japanese journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.487

H-Index - 129

eISSN - 1347-4065

pISSN - 0021-4922

DOI - 10.7567/jjaps.26s3.749

Subject(s) - electron , liquid helium , fermi gas , condensed matter physics , helium , scattering , magnetic field , quantum , atomic physics , physics , range (aeronautics) , atmospheric temperature range , thermal conductivity , materials science , quantum mechanics , thermodynamics , composite material

The longitudinal conductivity σxx of the two-dimensional electron system on a liquid helium surface was measured as function of magnetic field for fields up to 4 Tesla. The temperature was in the range 1.4 < T < 2.0 K, so that scattering of electrons by vapour atoms is dominant. When the quantum limit is reached, which means that the Landau level separation \hbarωc is larger than the thermal energy kbT (\hbarωc/kbT≤4 under the present conditions), a deviation from the classical relation σxx~1/B2 is observed. A discussion is given based on a quantum transport theory.

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