Anderson localization in strongly anisotropic metals

Phys. Rev. B 50, 1415 – Published 15 July 1994
A. A. Abrikosov


Conditions for Anderson localization are derived for three cases: (1) anisotropic three-dimensional metal, (2) quasi-two-dimensional metal, and (3) quasi-one-dimensional metal. For all these cases the conductivity at T=0 as well as the interference correction are calculated. The simplest models are used. From the estimate Δσ/σ∼1, localization conditions are obtained. It is shown that localization takes place in all three cases but in cases (2) and (3) the critical value of the random potential is essentially reduced if the overlap integrals are small. In a two-dimensional metal this refers to the conductivity along the planes whereas for the conductivity perpendicular to the planes the three-dimensional condition applies, i.e., contrary to common wisdom localization in this direction is more difficult to reach than along the planes.


  • Received 24 February 1994
  • Published in the issue dated 15 July 1994

© 1994 The American Physical Society

Authors & Affiliations

A. A. Abrikosov

  • Materials Science Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439

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