On the approximation of transport properties in structured materials using momentum-transfer theory
Boyle, G.J., White, R.D., Robson, R.E., Dujko, S., and Petrovic, Z.Lj. (2012) On the approximation of transport properties in structured materials using momentum-transfer theory. New Journal of Physics, 14. 045011. pp. 1-25.
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Abstract
In this paper, we present a fluid model for electrons and positrons in structured and soft-condensed matter utilizing dilute gas phase cross-sections together with a structure factor for the medium. Generalizations of the Wannier energy and Einstein (Nernst–Townsend) relations to account for coherent scattering effects present in soft-condensed matter are presented along with new expressions directly relating transport properties in the dilute gas and the structured matter phases. The theory is applied to electrons in a benchmark Percus–Yevick model and positrons in liquid argon, and the accuracy is tested against a multi-term solution of Boltzmann's equation (White and Robson 2011 Phys. Rev. E 84 031125).
| Item ID: | 22699 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1367-2630 |
| Additional Information: | Authors, their institutions and third parties all have the same rights to reuse articles published in New Journal of Physics in accordance with the Creative Commons Attribution 3.0 Unported (CC-BY) license. This allows the articles to be shared, adapted and made commercial use of subject to appropriate attribution. |
| Date Deposited: | 01 Aug 2012 09:57 |
| FoR Codes: | 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 80% 02 PHYSICAL SCIENCES > 0204 Condensed Matter Physics > 020405 Soft Condensed Matter @ 20% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100% |
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