# 7.6.3.4.3. Ohms_Law

Syntax

  Charge Density Diffusive Flux [{of} SpeciesName] = Ohms_Law ()

Scope

  Aria Material

Summary

  Ohm’s law version of charge density diffusive flux

Description

  The diffusive flux is proportional to the gradient of the voltage:

  > where is the electrical conductivity, and is the voltage.

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –