Correlated hopping in Coulomb glass

Malik, Vikas ; Deepak Kumar, (2003) Correlated hopping in Coulomb glass Journal of Physics: Condensed Matter, 15 (32). pp. 5451-5460. ISSN 0953-8984

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Official URL: http://iopscience.iop.org/0953-8984/15/32/306

Related URL: http://dx.doi.org/10.1088/0953-8984/15/32/306

Abstract

We have studied one aspect of the effect of Coulomb interactions on the hopping conductivity of a band of localized electrons in a disordered system, that is correlations in successive hops due to the Coulomb gap. At low temperatures, the correlation holes around sites involved in the hop do not relax, and there is an enhanced probability for backward hops. We calculate both dc and ac conductivities by considering correlated random walks in the disordered medium.

Item Type:Article
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ID Code:69543
Deposited On:24 Nov 2011 04:00
Last Modified:24 Nov 2011 04:01

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