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Electrons and Disorder in Solids$
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V. F. Gantmakher

Print publication date: 2005

Print ISBN-13: 9780198567561

Published to Oxford Scholarship Online: September 2007

DOI: 10.1093/acprof:oso/9780198567561.001.0001

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QUANTUM CORRECTIONS TO CONDUCTIVITY

QUANTUM CORRECTIONS TO CONDUCTIVITY

Chapter:
(p.16) 2 QUANTUM CORRECTIONS TO CONDUCTIVITY
Source:
Electrons and Disorder in Solids
Author(s):

V.F. Gantmakher

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198567561.003.0002

This chapter introduces two types of quantum corrections to the conductivity originating from the wave component of the electron nature. The first is due to interference between different replica of an electron wave function, which appears during the elastic scattering of the electron from impurities. This correction arises when the electron travels along a closed diffusive trajectory; it is called weak localization and is destroyed by magnetic field. Antilocalization is also possible when spin-orbital interaction is involved. The second correction comes from the interference of two different electrons with almost the same energies, both travelling along adjoining diffusive trajectories. This is called Aronov-Altshuler effect.

Keywords:   antilocalization, Aronov-Altshuler effect, diffusive trajectory, weak localization, spin-orbital interaction

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