TITLE

Contribution to the theory of galvanomagnetic phenomena in polycrystalline metals

AUTHOR(S)
I. M.#Kaganova; M. I.#Kaganov
PUB. DATE
March 2005
SOURCE
Low Temperature Physics;Mar2005, Vol. 31 Issue 3/4, p290
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
An algorithm is constructed for calculating the effective conductivity tensor of polycrystals in a magnetic field from the values of the galvanomagnetic characteristics of crystallites. The algorithm is based on a series expansion in powers of the deviations of the tensors from their average values. The effective conductivity tensor is calculated in two limiting cases: in a weak magnetic field for metals with any electronic energy spectrum and in a strong magnetic field for metals with a closed Fermi surface (in this case the initial equations come from the theory of galvanomagnetic phenomena which employs the solution of the classical Boltzmann equation for the distribution function of electrons with an arbitrary dispersion law). The formulas obtained for polycrystals of cubic metals in a weak magnetic field and metals with closed Fermi surfaces in strong fields have the same accuracy as the initial expressions. © 2005 American Institute of Physics.
ACCESSION #
17023924

 

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