Mooij correlation in disordered metals

A. M. Jayannavar and N. Kumar
Phys. Rev. B 37, 573 – Published 1 January 1988
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Abstract

We point out that the Mooij correlation follows naturally from a dynamically disordered tight-binding Hamiltonian with random modulations of both the diagonal and the off-diagonal matrix elements which are known to act in opposition. The dynamic disorder is treated exactly while the static disorder is incorporated approximately as an effective additional time-dependent disorder affecting the diffusive electron. Such a time translation of static disorder is known to manifest itself in certain limits as a renormalization of the diffusion coefficient. The calculated conductivity exhibits the Mooij correlation at high temperatures, where quantum coherence associated with the static disorder can be ignored.

  • Received 16 April 1987

DOI:https://doi.org/10.1103/PhysRevB.37.573

©1988 American Physical Society

Authors & Affiliations

A. M. Jayannavar and N. Kumar

  • Department of Physics, Indian Institute of Science, Bangalore 560 012, India

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Vol. 37, Iss. 1 — 1 January 1988

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