A Theory of Transport Phenomena in Disordered Systems in Presence of Arbitrary Electrical Fields
- 1 September 1975
- journal article
- research article
- Published by Wiley in Physica Status Solidi (b)
- Vol. 71 (1) , 93-104
- https://doi.org/10.1002/pssb.2220710108
Abstract
A theory is developed for the current in a disordered one‐band tight‐binding system holding for arbitrary electrical fields and for electron–phonon interaction of arbitrary strength. The current is expressed by the density matrix for which the equation of motion is derived. In case of localized states, i. e. in case of hopping conductivity, this equation takes the form of a rate equation with memory.Keywords
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