Equivalence of the kinetic and drift-velocity approaches to the Hall conductivity in metals
An analysis of semiclassical velocities of the electron wave packets moving in crystals submitted to a constant magnetic field provides us with the result that the Hall conductivity obtained with the aid of the kinetic theory is inversely proportional to the strength of the magnetic field. But the s...
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Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2007-06, Vol.396 (1), p.207-210 |
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creator | Olszewski, S. Roliński, T. |
description | An analysis of semiclassical velocities of the electron wave packets moving in crystals submitted to a constant magnetic field provides us with the result that the Hall conductivity obtained with the aid of the kinetic theory is inversely proportional to the strength of the magnetic field. But the same behaviour of the Hall conductivity is obtained from the drift-velocity approximation on the basis of the property that a product of the electron gyration frequency and the relaxation time entering the tensor of magnetoconductivity becomes a number dependent solely on the metal band structure but independent of the strength of the applied magnetic field. |
doi_str_mv | 10.1016/j.physb.2007.01.033 |
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subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Conductivity phenomena in semiconductors and insulators Electronic transport in condensed matter Exact sciences and technology Galvanomagnetic and other magnetotransport effects Metals Physics Theory of the Hall conductivity |
title | Equivalence of the kinetic and drift-velocity approaches to the Hall conductivity in metals |
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