Abstract
Diverse transport processes are described within a framework previously developed only for systems undergoing random host reorganization concurrent with carrier hopping. The rule D(ω)=D0(ω-iλ) relating frequency-dependent diffusion with and without random reorganization at rate λ is shown equivalent to a condition on the carrier velocity autocorrelation function that often applies, for physically different reasons, to both coherent and hopping transport. Formulation in terms of mean-square carrier displacement leads to rules for combining renewal (e.g. scattering and host reorganization) processes, and predicts how renewal affects frequency-dependent transport in physically different cases.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 434-438 |
| Number of pages | 5 |
| Journal | Chemical Physics Letters |
| Volume | 151 |
| Issue number | 4-5 |
| DOIs | |
| State | Published - Oct 21 1988 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Physical and Theoretical Chemistry
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Druger, S. D., & Ratner, M. A. (1988). The relationship between hopping and coherent motion in dynamically disordered systems. Chemical Physics Letters, 151(4-5), 434-438. https://doi.org/10.1016/0009-2614(88)85164-9