Universal Crossover between Efros-Shklovskii and Mott Variable-Range-Hopping Regimes
Yigal Meir (Ben Gurion University, Beer Sheva, ISRAEL, ITP,, University of California at Santa Barbara)
TL;DR
This paper derives a universal scaling function for the crossover between Mott and Efros-Shklovskii variable-range-hopping regimes, validated by experimental data, and explores the influence of polarons on transport.
Contribution
It introduces a universal scaling function for the crossover between two hopping regimes using a percolation model, aligning well with experimental observations.
Findings
The scaling function accurately describes the crossover behavior.
Experimental data supports the universal nature of the scaling function.
Potential to determine polaron effects in transport processes.
Abstract
A universal scaling function, describing the crossover between the Mott and the Efros-Shklovskii hopping regimes, is derived, using the percolation picture of transport in strongly localized systems. This function is agrees very well with experimental data. Quantitative comparison with experiment allows for the possible determination of the role played by polarons in the transport.
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