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VOLUME 58 (1993) | ISSUE 4 | PAGE 280
Longitudinal conductivity of a Boltzmann electron gas in n-InSb in the quantum limit in the magnetic field
The longitudinal conductivity (i.e., that along the magnetic field) of л-InSb due to an interaction of electrons with ionized impurities has been measured in the quantum limit in the magnetic field under conditions corresponding to a Boltzmann statistics of the electrons. For samples with an electron density n= 1015 cm~3 the results are close to the theoretical predictions of Agyres and Adams [Phys. Rev. 104, 900 (1956)]. Their theory predicts a decrease in the resistance when a strong field is applied. As the electron density decreases, the difference between the experimental and theoretical results increases, and the magnetoresistance goes from negative to positive.