R B Pandey 1987 J. Phys. A: Math. Gen. 20 L1287 doi:10.1088/0305-4470/20/18/012
Non-monotonic conductivity in a conductor-insulator fluid mixture
R B Pandey
Show affiliationsCharge transport in a stirred percolating system of a conductor-insulator mixture (a model for the microemulsion) is studied by computer simulation in two dimensions. The flow of charge from source to sink via nearest-neighbour charge exchange on the transient network of the conducting particles is considered. For the particle jump accompanied by a local charge transfer, the conductivity depends non-monotonically on the concentration p of the conducting particles and exhibits a maximum near the percolation threshold. The maximum vanishes and the conductivity rises with concentration p with a non-universal power on increasing the frequency of charge exchange.
- PACS
- MSC
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82C21 Dynamic continuum models (systems of particles, etc.)
82C20 Dynamic lattice systems (kinetic Ising, etc.) and systems on graphs
- Subjects
- Dates
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Issue 18 (21 December 1987)
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Non-monotonic conductivity in a conductor-insulator fluid mixture
R B Pandey 1987 J. Phys. A: Math. Gen. 20 L1287
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