A critical path approach for elucidating the temperature dependence of granular hopping conduction

TL;DR

This paper presents a new, straightforward explanation for the temperature dependence of granular hopping conduction, a phenomenon observed across various materials but not fully understood.

Contribution

It introduces a critical path approach that simplifies understanding the temperature dependence in granular hopping conduction.

Findings

Provides a clear explanation for temperature dependence

Unifies observations across different material systems

Offers a simple model for granular hopping conduction

Abstract

We revisit the classical problem of granular hopping conduction's temperature dependence, and offer a straightforward and simple explanation on a phenomenon that was widely observed over diverse material systems, but which has remained a puzzle in spite of the various efforts for its explanation.